diff --git a/app/depict/pom.xml b/app/depict/pom.xml
index f7b5959adf7..16ac294dbf5 100644
--- a/app/depict/pom.xml
+++ b/app/depict/pom.xml
@@ -9,7 +9,7 @@
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-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
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     <modelVersion>4.0.0</modelVersion>
 
diff --git a/app/pom.xml b/app/pom.xml
index 0ef0bf893a6..637fac6a70d 100644
--- a/app/pom.xml
+++ b/app/pom.xml
@@ -5,7 +5,7 @@
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     <modelVersion>4.0.0</modelVersion>
 
diff --git a/base/annotation/pom.xml b/base/annotation/pom.xml
index 8aa6165f817..872d7c43443 100644
--- a/base/annotation/pom.xml
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@@ -7,7 +7,7 @@
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-        <version>2.1-SNAPSHOT</version>
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diff --git a/base/atomtype/pom.xml b/base/atomtype/pom.xml
index 7963f14ecb6..2c5f5a5f828 100644
--- a/base/atomtype/pom.xml
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-        <version>2.1-SNAPSHOT</version>
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     <artifactId>cdk-atomtype</artifactId>
diff --git a/base/core/pom.xml b/base/core/pom.xml
index 69707ee5f29..46622d2251f 100644
--- a/base/core/pom.xml
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-        <version>2.1-SNAPSHOT</version>
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diff --git a/base/data/pom.xml b/base/data/pom.xml
index 33708de2312..58abb751f28 100644
--- a/base/data/pom.xml
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@@ -7,7 +7,7 @@
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diff --git a/base/datadebug/pom.xml b/base/datadebug/pom.xml
index abdb1466c05..8128cda7e01 100644
--- a/base/datadebug/pom.xml
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diff --git a/base/dict/pom.xml b/base/dict/pom.xml
index 0f002645afe..55bf47e47e6 100644
--- a/base/dict/pom.xml
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@@ -7,7 +7,7 @@
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diff --git a/base/interfaces/pom.xml b/base/interfaces/pom.xml
index c5a90eed1eb..4305e59703a 100644
--- a/base/interfaces/pom.xml
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diff --git a/base/isomorphism/pom.xml b/base/isomorphism/pom.xml
index 01c76203ee7..d8e4cae8cfe 100644
--- a/base/isomorphism/pom.xml
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diff --git a/base/pom.xml b/base/pom.xml
index ff47a0113d8..0acc8323b6e 100644
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diff --git a/base/reaction/pom.xml b/base/reaction/pom.xml
index 38b61200dee..dd32e9dedfe 100644
--- a/base/reaction/pom.xml
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diff --git a/base/silent/pom.xml b/base/silent/pom.xml
index 95e284acedb..9e6f8b6a039 100644
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diff --git a/base/standard/pom.xml b/base/standard/pom.xml
index 9e94252a0a7..88ba17fb077 100644
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diff --git a/base/test-atomtype/pom.xml b/base/test-atomtype/pom.xml
index a32c26d9b6b..524ed5dc2fd 100644
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diff --git a/base/test-core/pom.xml b/base/test-core/pom.xml
index 47b021cee12..af281469489 100644
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diff --git a/base/test-interfaces/pom.xml b/base/test-interfaces/pom.xml
index c33fa6fc19c..ace8ce1bbc5 100644
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diff --git a/base/test-standard/pom.xml b/base/test-standard/pom.xml
index 8e97c985857..72a7c0c465f 100644
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diff --git a/base/test-valencycheck/pom.xml b/base/test-valencycheck/pom.xml
index 7165ab5e82d..164648ed230 100644
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diff --git a/base/test/pom.xml b/base/test/pom.xml
index dd6a7c1d903..cfefe2a09ce 100644
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diff --git a/base/testdata/pom.xml b/base/testdata/pom.xml
index 37c45f0e1f0..2e875c7888b 100644
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diff --git a/base/valencycheck/pom.xml b/base/valencycheck/pom.xml
index 3556286f926..7d6d337ffb8 100644
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diff --git a/bundle/pom.xml b/bundle/pom.xml
index 1f77e1af7a2..c44f1ba4141 100644
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diff --git a/descriptor/cip/pom.xml b/descriptor/cip/pom.xml
index c7d1557b4fa..fea30eacca4 100644
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diff --git a/descriptor/fingerprint/pom.xml b/descriptor/fingerprint/pom.xml
index 93564a86302..521113ebffa 100644
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diff --git a/descriptor/ionpot/pom.xml b/descriptor/ionpot/pom.xml
index 81ba9f0be33..35e74223369 100644
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index b794f9daf20..af6e7e6ba61 100644
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diff --git a/descriptor/qsar/pom.xml b/descriptor/qsar/pom.xml
index 5a2cb3c8c9e..87f8048d070 100644
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diff --git a/descriptor/qsaratomic/pom.xml b/descriptor/qsaratomic/pom.xml
index b388b6c1318..06588138f7a 100644
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diff --git a/descriptor/qsarbond/pom.xml b/descriptor/qsarbond/pom.xml
index 716fdeeffe0..0c578e2e974 100644
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diff --git a/descriptor/qsarcml/pom.xml b/descriptor/qsarcml/pom.xml
index 2669303b6bc..46f8c42846b 100644
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diff --git a/descriptor/qsarionpot/pom.xml b/descriptor/qsarionpot/pom.xml
index 62b72cee058..a09e2e03c39 100644
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diff --git a/descriptor/qsarmolecular/pom.xml b/descriptor/qsarmolecular/pom.xml
index 3a30c330686..c68ac46b570 100644
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diff --git a/descriptor/qsarprotein/pom.xml b/descriptor/qsarprotein/pom.xml
index c226e1b5d3a..3e400d9fa2f 100644
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diff --git a/descriptor/qsarsubstance/pom.xml b/descriptor/qsarsubstance/pom.xml
index f7ce7fa1f85..9d36bb2e750 100644
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diff --git a/descriptor/signature/pom.xml b/descriptor/signature/pom.xml
index e21434d39d8..15cd73b5517 100644
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diff --git a/display/pom.xml b/display/pom.xml
index f1ab080b9e0..de6ff790027 100644
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diff --git a/display/render/pom.xml b/display/render/pom.xml
index 2427484be4a..5c67abdd8b3 100644
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diff --git a/display/renderawt/pom.xml b/display/renderawt/pom.xml
index 28523e085af..ef4c206be47 100644
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diff --git a/display/renderbasic/pom.xml b/display/renderbasic/pom.xml
index 70a05d958c1..16dee105c73 100644
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diff --git a/display/renderextra/pom.xml b/display/renderextra/pom.xml
index 975aac6eb70..f92d0d10a7e 100644
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diff --git a/legacy/pom.xml b/legacy/pom.xml
index 189b4cafc29..5344010a973 100644
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diff --git a/misc/control/pom.xml b/misc/control/pom.xml
index e70b4b0b134..2a05e96be1c 100644
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diff --git a/misc/diff/pom.xml b/misc/diff/pom.xml
index 9e5cd37e51d..68e8caf9ad1 100644
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diff --git a/misc/extra/pom.xml b/misc/extra/pom.xml
index 94113d2ae5c..d3c03b0e3a3 100644
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diff --git a/misc/log4j/pom.xml b/misc/log4j/pom.xml
index ab3fb421cc5..a76bb64658f 100644
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diff --git a/misc/pom.xml b/misc/pom.xml
index b9dc032d4a2..051f3bb4fbb 100644
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         <artifactId>cdk</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
     <name>cdk-misc</name>
     <modules>
diff --git a/misc/qm/pom.xml b/misc/qm/pom.xml
index d0b13928473..8418057800e 100644
--- a/misc/qm/pom.xml
+++ b/misc/qm/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk-misc</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
     <name>cdk-qm</name>
     <artifactId>cdk-qm</artifactId>
diff --git a/misc/test-extra/pom.xml b/misc/test-extra/pom.xml
index ec71d512408..47677bc95a9 100644
--- a/misc/test-extra/pom.xml
+++ b/misc/test-extra/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk-misc</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
 
     <artifactId>cdk-test-extra</artifactId>
diff --git a/pom.xml b/pom.xml
index c8dd1503f93..a69bff5182f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -8,7 +8,7 @@
     <artifactId>cdk</artifactId>
     <name>cdk</name>
     <description>Modular library for Cheminformatics</description>
-    <version>2.1-SNAPSHOT</version>
+    <version>2.1</version>
     <packaging>pom</packaging>
     <url>http://sourceforge.net/projects/cdk/</url>
 
diff --git a/storage/ctab/pom.xml b/storage/ctab/pom.xml
index ff34a6dff69..6de9c411df0 100644
--- a/storage/ctab/pom.xml
+++ b/storage/ctab/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>cdk-storage</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/storage/inchi/pom.xml b/storage/inchi/pom.xml
index 883cb92bda9..6b531c03717 100644
--- a/storage/inchi/pom.xml
+++ b/storage/inchi/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk-storage</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
 
     <artifactId>cdk-inchi</artifactId>
diff --git a/storage/io/pom.xml b/storage/io/pom.xml
index bbd7415f666..07680225596 100644
--- a/storage/io/pom.xml
+++ b/storage/io/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk-storage</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
 
     <artifactId>cdk-io</artifactId>
diff --git a/storage/ioformats/pom.xml b/storage/ioformats/pom.xml
index 67978c1cd54..9a6e38aff36 100644
--- a/storage/ioformats/pom.xml
+++ b/storage/ioformats/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk-storage</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
 
     <artifactId>cdk-ioformats</artifactId>
diff --git a/storage/iordf/pom.xml b/storage/iordf/pom.xml
index 5d38611e644..f6265f0e5b8 100644
--- a/storage/iordf/pom.xml
+++ b/storage/iordf/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk-storage</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
 
     <artifactId>cdk-iordf</artifactId>
diff --git a/storage/libiocml/pom.xml b/storage/libiocml/pom.xml
index 3c8ed89adc2..e848e123ef7 100644
--- a/storage/libiocml/pom.xml
+++ b/storage/libiocml/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk-storage</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
 
     <artifactId>cdk-libiocml</artifactId>
diff --git a/storage/libiomd/pom.xml b/storage/libiomd/pom.xml
index be8c23efaf6..0e2761e17a0 100644
--- a/storage/libiomd/pom.xml
+++ b/storage/libiomd/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk-storage</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
 
     <artifactId>cdk-libiomd</artifactId>
diff --git a/storage/pdb/pom.xml b/storage/pdb/pom.xml
index bf651ee9735..b5381c96805 100644
--- a/storage/pdb/pom.xml
+++ b/storage/pdb/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk-storage</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
 
     <artifactId>cdk-pdb</artifactId>
diff --git a/storage/pdbcml/pom.xml b/storage/pdbcml/pom.xml
index 7cb5f0a1e22..2a7c80dbd54 100644
--- a/storage/pdbcml/pom.xml
+++ b/storage/pdbcml/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk-storage</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
 
     <artifactId>cdk-pdbcml</artifactId>
diff --git a/storage/pom.xml b/storage/pom.xml
index a3d786a83fd..b58383df6fa 100644
--- a/storage/pom.xml
+++ b/storage/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
     <name>cdk-storage</name>
     <modules>
diff --git a/storage/smiles/pom.xml b/storage/smiles/pom.xml
index 065c45ab28f..ab4d0d1d489 100644
--- a/storage/smiles/pom.xml
+++ b/storage/smiles/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk-storage</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
 
     <artifactId>cdk-smiles</artifactId>
diff --git a/tool/builder3d/pom.xml b/tool/builder3d/pom.xml
index 8c23fe33d78..f1f4956f96d 100644
--- a/tool/builder3d/pom.xml
+++ b/tool/builder3d/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk-tool</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
 
     <artifactId>cdk-builder3d</artifactId>
diff --git a/tool/builder3dtools/pom.xml b/tool/builder3dtools/pom.xml
index 35e6a73356a..92bb3f17000 100644
--- a/tool/builder3dtools/pom.xml
+++ b/tool/builder3dtools/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk-tool</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
 
     <artifactId>cdk-builder3dtools</artifactId>
diff --git a/tool/charges/pom.xml b/tool/charges/pom.xml
index 4fe6af660e9..2c6e35477b0 100644
--- a/tool/charges/pom.xml
+++ b/tool/charges/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk-tool</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
 
     <artifactId>cdk-charges</artifactId>
diff --git a/tool/forcefield/pom.xml b/tool/forcefield/pom.xml
index 2e5da1ed527..ab5926f1b23 100644
--- a/tool/forcefield/pom.xml
+++ b/tool/forcefield/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk-tool</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
 
     <artifactId>cdk-forcefield</artifactId>
diff --git a/tool/formula/pom.xml b/tool/formula/pom.xml
index 60c4f13c395..ffac7b2ac43 100644
--- a/tool/formula/pom.xml
+++ b/tool/formula/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk-tool</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
 
     <artifactId>cdk-formula</artifactId>
diff --git a/tool/fragment/pom.xml b/tool/fragment/pom.xml
index 27df367dff8..c98d247b3b4 100644
--- a/tool/fragment/pom.xml
+++ b/tool/fragment/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk-tool</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
 
     <artifactId>cdk-fragment</artifactId>
diff --git a/tool/group/pom.xml b/tool/group/pom.xml
index 1642bc9a14b..c031dc55d5c 100644
--- a/tool/group/pom.xml
+++ b/tool/group/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk-tool</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
 
     <artifactId>cdk-group</artifactId>
diff --git a/tool/hash/pom.xml b/tool/hash/pom.xml
index 4c8b7968254..90274c49fdc 100644
--- a/tool/hash/pom.xml
+++ b/tool/hash/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk-tool</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
 
     <artifactId>cdk-hash</artifactId>
diff --git a/tool/model/pom.xml b/tool/model/pom.xml
index d11d01344df..cce8f90a410 100644
--- a/tool/model/pom.xml
+++ b/tool/model/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>cdk-tool</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/tool/pcore/pom.xml b/tool/pcore/pom.xml
index e75eb04d736..552111d7a56 100644
--- a/tool/pcore/pom.xml
+++ b/tool/pcore/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk-tool</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
 
     <artifactId>cdk-pcore</artifactId>
diff --git a/tool/pom.xml b/tool/pom.xml
index e3027cb8314..ff13879436a 100644
--- a/tool/pom.xml
+++ b/tool/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
     <name>cdk-tool</name>
     <modules>
diff --git a/tool/sdg/pom.xml b/tool/sdg/pom.xml
index f63ae3b7ed5..f3db4cf8a4c 100644
--- a/tool/sdg/pom.xml
+++ b/tool/sdg/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk-tool</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
 
     <artifactId>cdk-sdg</artifactId>
diff --git a/tool/smarts/pom.xml b/tool/smarts/pom.xml
index ec8da119d06..e4e754083b4 100644
--- a/tool/smarts/pom.xml
+++ b/tool/smarts/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk-tool</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
 
     <artifactId>cdk-smarts</artifactId>
diff --git a/tool/smsd/pom.xml b/tool/smsd/pom.xml
index 718c0f86b88..0086adc901c 100644
--- a/tool/smsd/pom.xml
+++ b/tool/smsd/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk-tool</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
 
     <artifactId>cdk-smsd</artifactId>
diff --git a/tool/structgen/pom.xml b/tool/structgen/pom.xml
index f82b9c88be4..fc9ade29f6f 100644
--- a/tool/structgen/pom.xml
+++ b/tool/structgen/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk-tool</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
 
     <artifactId>cdk-structgen</artifactId>
diff --git a/tool/tautomer/pom.xml b/tool/tautomer/pom.xml
index 7462513805c..664a54e8bcd 100644
--- a/tool/tautomer/pom.xml
+++ b/tool/tautomer/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <artifactId>cdk-tool</artifactId>
         <groupId>org.openscience.cdk</groupId>
-        <version>2.1-SNAPSHOT</version>
+        <version>2.1</version>
     </parent>
 
     <artifactId>cdk-tautomer</artifactId>