diff --git a/CHANGELOG.md b/CHANGELOG.md
index 858c12c7..ee239138 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,83 @@
 # Changelog
 
+## [1.0.0](https://github.com/googleapis/java-iam/compare/java-iam-v1.2.0...java-iam-v1.0.0) (2022-01-04)
+
+
+### ⚠ BREAKING CHANGES
+
+* 1.0.0
+
+### Features
+
+* add `gcf-owl-bot[bot]` to `ignoreAuthors` ([#148](https://github.com/googleapis/java-iam/issues/148)) ([05ef13b](https://github.com/googleapis/java-iam/commit/05ef13bfcf31bc8ef7d99bead3f3d9d4d4ffa8f9))
+* **deps:** adopt flatten plugin and google-cloud-shared-dependencies ([#14](https://github.com/googleapis/java-iam/issues/14)) ([82c4bf5](https://github.com/googleapis/java-iam/commit/82c4bf50f419b7f57f9a0d15a554b7e8509b99db))
+* Introduce Native Image testing build script changes ([#219](https://github.com/googleapis/java-iam/issues/219)) ([58c9a81](https://github.com/googleapis/java-iam/commit/58c9a81c55274b64c5e6877c9f909466a672c385))
+* promote to 1.0.0 ([#16](https://github.com/googleapis/java-iam/issues/16)) ([84ff001](https://github.com/googleapis/java-iam/commit/84ff001e68e55145104095bc9193872f5e5623e4))
+
+
+### Bug Fixes
+
+* Add `shopt -s nullglob` to dependencies script ([#157](https://github.com/googleapis/java-iam/issues/157)) ([dcdffb7](https://github.com/googleapis/java-iam/commit/dcdffb70f9bba71121061a7def1b9d39525a9514))
+* **java:** add -ntp flag to native image testing command ([#1299](https://github.com/googleapis/java-iam/issues/1299)) ([#244](https://github.com/googleapis/java-iam/issues/244)) ([1a32e01](https://github.com/googleapis/java-iam/commit/1a32e01dc223e8ff11ff6483f1f7ae49f43b8de1))
+* **java:** java 17 dependency arguments ([#228](https://github.com/googleapis/java-iam/issues/228)) ([e609515](https://github.com/googleapis/java-iam/commit/e6095159733fb75e0fcc0620c7e6c93ef9586489))
+* **java:** run Maven in plain console-friendly mode ([#1301](https://github.com/googleapis/java-iam/issues/1301)) ([#251](https://github.com/googleapis/java-iam/issues/251)) ([011932e](https://github.com/googleapis/java-iam/commit/011932e2c0a1c9d1444cef5e25420616c604b91e))
+* release scripts from issuing overlapping phases ([#132](https://github.com/googleapis/java-iam/issues/132)) ([9af3e17](https://github.com/googleapis/java-iam/commit/9af3e17ae469bd1b654942e1539a364dac08ac75))
+* typo ([#129](https://github.com/googleapis/java-iam/issues/129)) ([42c037a](https://github.com/googleapis/java-iam/commit/42c037a09184dd1a03a28b23a1dc8c4eca10cfd0))
+* Update dependencies.sh to not break on mac ([#155](https://github.com/googleapis/java-iam/issues/155)) ([f3993d8](https://github.com/googleapis/java-iam/commit/f3993d83efceda7f06e9da2624f418f6c69984e8))
+
+
+### Dependencies
+
+* update dependency com.google.api:api-common to v1.10.6 ([#178](https://github.com/googleapis/java-iam/issues/178)) ([05754fa](https://github.com/googleapis/java-iam/commit/05754fa01b0cb71e7c0e8be5c5947abd8301e55f))
+* update dependency com.google.api:api-common to v2 ([#182](https://github.com/googleapis/java-iam/issues/182)) ([87b589f](https://github.com/googleapis/java-iam/commit/87b589f978d94d465ab4d067584305d834f8be0e))
+* update dependency com.google.api:api-common to v2.0.4 ([#210](https://github.com/googleapis/java-iam/issues/210)) ([8986cea](https://github.com/googleapis/java-iam/commit/8986cea79bb26b4a19014f81a557ed39711ac0d1))
+* update dependency com.google.api:api-common to v2.0.5 ([#214](https://github.com/googleapis/java-iam/issues/214)) ([f8b8caf](https://github.com/googleapis/java-iam/commit/f8b8cafd4e8c7617cac3a2ef4aaa855e4a1dbd8a))
+* update dependency com.google.api:api-common to v2.1.0 ([#225](https://github.com/googleapis/java-iam/issues/225)) ([ec4debe](https://github.com/googleapis/java-iam/commit/ec4debeb779d3561d6ce10d2bc7f871a1f84ae8c))
+* update dependency com.google.api:api-common to v2.1.1 ([#239](https://github.com/googleapis/java-iam/issues/239)) ([40da45b](https://github.com/googleapis/java-iam/commit/40da45bffe1ab87036e9d90121e9e9ed302d86a3))
+* update dependency com.google.api.grpc:proto-google-common-protos to v1.18.0 ([#2](https://github.com/googleapis/java-iam/issues/2)) ([81a7470](https://github.com/googleapis/java-iam/commit/81a7470ee9633ff052ccb679cbe37b0079ee51ef))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v0.13.0 ([#53](https://github.com/googleapis/java-iam/issues/53)) ([9aeabf1](https://github.com/googleapis/java-iam/commit/9aeabf1e63d4b020345a35df75c38151b217775f))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v0.14.1 ([#61](https://github.com/googleapis/java-iam/issues/61)) ([6050071](https://github.com/googleapis/java-iam/commit/605007103cd0a18dc30e3b5c5b39118391723d61))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v0.16.0 ([#68](https://github.com/googleapis/java-iam/issues/68)) ([c8cd19f](https://github.com/googleapis/java-iam/commit/c8cd19fa85ebd148b681d354b4807d042ba5308e))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v0.16.1 ([5f7cf81](https://github.com/googleapis/java-iam/commit/5f7cf81b8b82447155db8a23b16477a9c5e29a57))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v0.17.0 ([#80](https://github.com/googleapis/java-iam/issues/80)) ([a43419f](https://github.com/googleapis/java-iam/commit/a43419f88458f6ea904acea8814164f0d9755b5b))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v0.17.1 ([#85](https://github.com/googleapis/java-iam/issues/85)) ([6e80faa](https://github.com/googleapis/java-iam/commit/6e80faa75433d1333344b66d632b48ab8e710b08))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v0.18.0 ([#87](https://github.com/googleapis/java-iam/issues/87)) ([1d2dda2](https://github.com/googleapis/java-iam/commit/1d2dda295cb73db94f79c8dc6957c682dbf87182))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v0.19.0 ([#108](https://github.com/googleapis/java-iam/issues/108)) ([73c3243](https://github.com/googleapis/java-iam/commit/73c32437092c05d8c17f46544c77d39102167a02))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v0.20.0 ([#112](https://github.com/googleapis/java-iam/issues/112)) ([83b637d](https://github.com/googleapis/java-iam/commit/83b637d88dba6c456d99b5bf547a765a83a91994))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v0.20.1 ([#118](https://github.com/googleapis/java-iam/issues/118)) ([0268594](https://github.com/googleapis/java-iam/commit/02685944cef7c500a2ae28674a2873e40e840504))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v0.21.0 ([#125](https://github.com/googleapis/java-iam/issues/125)) ([f06c16c](https://github.com/googleapis/java-iam/commit/f06c16cd0cc443cfdc115b299e223147f98f7bfc))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v0.21.1 ([#133](https://github.com/googleapis/java-iam/issues/133)) ([fb23683](https://github.com/googleapis/java-iam/commit/fb236830857bbbe17eaa71a1dd9f0ec424e238a3))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v0.8.2 ([#18](https://github.com/googleapis/java-iam/issues/18)) ([13767ef](https://github.com/googleapis/java-iam/commit/13767ef1890b5c81cab43baee28a1b535e5b7211))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v0.8.6 ([#20](https://github.com/googleapis/java-iam/issues/20)) ([2613432](https://github.com/googleapis/java-iam/commit/2613432f698b6a857946ab5277d9ee55e6579f77))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v0.9.0 ([#30](https://github.com/googleapis/java-iam/issues/30)) ([16c878b](https://github.com/googleapis/java-iam/commit/16c878bb9b704a97b78393a54dfa59ab06f1327a))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v1 ([#136](https://github.com/googleapis/java-iam/issues/136)) ([be35bdf](https://github.com/googleapis/java-iam/commit/be35bdf2b8b8c271e8aba4a493994512bce24e95))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v1.1.0 ([#142](https://github.com/googleapis/java-iam/issues/142)) ([109ec5e](https://github.com/googleapis/java-iam/commit/109ec5ee3d5882fa840d4af6ad49d1a2c237bd28))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v1.2.0 ([#147](https://github.com/googleapis/java-iam/issues/147)) ([ac861d0](https://github.com/googleapis/java-iam/commit/ac861d07dea6348cc1f8dc4cac991044f6f0702c))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v1.3.0 ([#154](https://github.com/googleapis/java-iam/issues/154)) ([6ba854f](https://github.com/googleapis/java-iam/commit/6ba854faefc1d4592062dbbeda0c3226bcb1412c))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v1.4.0 ([#158](https://github.com/googleapis/java-iam/issues/158)) ([67c523d](https://github.com/googleapis/java-iam/commit/67c523dc179802fcbec5a16893b955a4b3b7e4aa))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v2 ([#168](https://github.com/googleapis/java-iam/issues/168)) ([86c46ff](https://github.com/googleapis/java-iam/commit/86c46ffc3f5348771b854f0996cc625f8889b012))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v2.1.0 ([#173](https://github.com/googleapis/java-iam/issues/173)) ([4788fec](https://github.com/googleapis/java-iam/commit/4788fecaf84b9772b1a7d866825dd97fa09ac42b))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v2.2.0 ([#183](https://github.com/googleapis/java-iam/issues/183)) ([049d5bf](https://github.com/googleapis/java-iam/commit/049d5bf50d690765e8eef20e9eb098c13068b559))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v2.2.1 ([#189](https://github.com/googleapis/java-iam/issues/189)) ([c450ac3](https://github.com/googleapis/java-iam/commit/c450ac3e3e409f51e60015a501843f8de3d8eb8e))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v2.3.0 ([#197](https://github.com/googleapis/java-iam/issues/197)) ([8594f40](https://github.com/googleapis/java-iam/commit/8594f4074be618506a553ba4436a6fc4fd9993ff))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v2.4.0 ([#220](https://github.com/googleapis/java-iam/issues/220)) ([dece964](https://github.com/googleapis/java-iam/commit/dece9643c9500a9f9c76e8fddee700447b4f6ab8))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v2.5.0 ([#237](https://github.com/googleapis/java-iam/issues/237)) ([8dd21a9](https://github.com/googleapis/java-iam/commit/8dd21a9bf054701abdded0e6dd231e08452c13af))
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v2.5.1 ([#243](https://github.com/googleapis/java-iam/issues/243)) ([fb72c8c](https://github.com/googleapis/java-iam/commit/fb72c8c4c19a580be8f17ee1ec5562c3200f37fb))
+* update dependency com.google.protobuf:protobuf-bom to v3.12.0 ([#6](https://github.com/googleapis/java-iam/issues/6)) ([73b7a4a](https://github.com/googleapis/java-iam/commit/73b7a4a03411326f88e49c2efbd1e34d2170dc1b))
+* update dependency com.google.protobuf:protobuf-bom to v3.12.2 ([#8](https://github.com/googleapis/java-iam/issues/8)) ([5f005b4](https://github.com/googleapis/java-iam/commit/5f005b45498dc87aeb8cab35d72fbaae04386c24))
+* update dependency com.google.protobuf:protobuf-java to v3.18.0 ([#192](https://github.com/googleapis/java-iam/issues/192)) ([5f8f8f7](https://github.com/googleapis/java-iam/commit/5f8f8f7e69de53530425ab416c3b1dd21a2ce783))
+* update dependency com.google.protobuf:protobuf-java to v3.18.1 ([#207](https://github.com/googleapis/java-iam/issues/207)) ([8dc9164](https://github.com/googleapis/java-iam/commit/8dc91645300940d9a20ff174e15c30bf34edda5e))
+* update dependency com.google.protobuf:protobuf-java to v3.19.1 ([#223](https://github.com/googleapis/java-iam/issues/223)) ([744abaf](https://github.com/googleapis/java-iam/commit/744abaf723ee59e5749bde76be6520f2e9e843e9))
+* update dependency io.grpc:grpc-bom to v1.30.0 ([#10](https://github.com/googleapis/java-iam/issues/10)) ([f69ac15](https://github.com/googleapis/java-iam/commit/f69ac15807aafc345f980091feadd4eb3996976c))
+* update dependency io.grpc:grpc-protobuf to v1.40.1 ([#180](https://github.com/googleapis/java-iam/issues/180)) ([c1eeb9c](https://github.com/googleapis/java-iam/commit/c1eeb9cbf5dbaa21a3e9524d5f97807e5b0fb909))
+* update dependency io.grpc:grpc-protobuf to v1.41.0 ([#198](https://github.com/googleapis/java-iam/issues/198)) ([7862c1d](https://github.com/googleapis/java-iam/commit/7862c1de5798ed933279521e19cb2b4c6181871b))
+* update dependency io.grpc:grpc-protobuf to v1.42.0 ([#230](https://github.com/googleapis/java-iam/issues/230)) ([36a09e7](https://github.com/googleapis/java-iam/commit/36a09e753f1439d1975c5b388d460d84646f9190))
+* update dependency io.grpc:grpc-protobuf to v1.42.1 ([#235](https://github.com/googleapis/java-iam/issues/235)) ([1a3b49c](https://github.com/googleapis/java-iam/commit/1a3b49c3841709a4be09c342bc756c2824eba27c))
+* update dependency io.grpc:grpc-stub to v1.40.1 ([#181](https://github.com/googleapis/java-iam/issues/181)) ([a5dbb9e](https://github.com/googleapis/java-iam/commit/a5dbb9e395e769f1604ab87c844ab5fe67a8a850))
+* update dependency io.grpc:grpc-stub to v1.41.0 ([#199](https://github.com/googleapis/java-iam/issues/199)) ([bf30e86](https://github.com/googleapis/java-iam/commit/bf30e86f21729716838e38a6527c16b2b09bc600))
+* update dependency io.grpc:grpc-stub to v1.42.0 ([#231](https://github.com/googleapis/java-iam/issues/231)) ([d1903a9](https://github.com/googleapis/java-iam/commit/d1903a91193b22a1ec9ceac79770bf6ae6ea24d5))
+* update dependency io.grpc:grpc-stub to v1.42.1 ([#236](https://github.com/googleapis/java-iam/issues/236)) ([efa953f](https://github.com/googleapis/java-iam/commit/efa953f548cbf563fa88ee70ed538f898797c0f4))
+
 ## [1.2.0](https://www.github.com/googleapis/java-iam/compare/v1.1.7...v1.2.0) (2021-12-06)
 
 
diff --git a/grpc-google-iam-v1/pom.xml b/grpc-google-iam-v1/pom.xml
index 3dded075..87472ebe 100644
--- a/grpc-google-iam-v1/pom.xml
+++ b/grpc-google-iam-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-iam-v1</artifactId>
-  <version>1.2.1-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v1:current} -->
+  <version>1.0.0</version><!-- {x-version-update:proto-google-iam-v1:current} -->
   <name>grpc-google-iam-v1</name>
   <description>GRPC library for grpc-google-iam-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-iam-parent</artifactId>
-    <version>1.2.1-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v1:current} -->
+    <version>1.0.0</version><!-- {x-version-update:proto-google-iam-v1:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index 9736368b..0080bdb3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-iam-parent</artifactId>
   <packaging>pom</packaging>
-  <version>1.2.1-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v1:current} -->
+  <version>1.0.0</version><!-- {x-version-update:proto-google-iam-v1:current} -->
   <name>Google IAM Parent</name>
   <url>https://github.com/googleapis/java-iam</url>
   <description>
@@ -77,7 +77,7 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-iam-v1</artifactId>
-        <version>1.2.1-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v1:current} -->
+        <version>1.0.0</version><!-- {x-version-update:proto-google-iam-v1:current} -->
       </dependency>
 
       <dependency>
diff --git a/proto-google-iam-v1/pom.xml b/proto-google-iam-v1/pom.xml
index 265493cf..3f4f5813 100644
--- a/proto-google-iam-v1/pom.xml
+++ b/proto-google-iam-v1/pom.xml
@@ -3,13 +3,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-iam-v1</artifactId>
-  <version>1.2.1-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v1:current} -->
+  <version>1.0.0</version><!-- {x-version-update:proto-google-iam-v1:current} -->
   <name>proto-google-iam-v1</name>
   <description>PROTO library for proto-google-iam-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-iam-parent</artifactId>
-    <version>1.2.1-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v1:current} -->
+    <version>1.0.0</version><!-- {x-version-update:proto-google-iam-v1:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/versions.txt b/versions.txt
index 4c3ee3c6..52467c18 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,5 +1,5 @@
 # Format:
 # module:released-version:current-version
 
-proto-google-iam-v1:1.2.0:1.2.1-SNAPSHOT
-grpc-google-iam-v1:1.2.0:1.2.1-SNAPSHOT
+proto-google-iam-v1:1.0.0:1.0.0
+grpc-google-iam-v1:1.0.0:1.0.0