diff --git a/cirq-aqt/cirq_aqt/_version.py b/cirq-aqt/cirq_aqt/_version.py
index 20082a126bb..21c22f32cae 100644
--- a/cirq-aqt/cirq_aqt/_version.py
+++ b/cirq-aqt/cirq_aqt/_version.py
@@ -14,4 +14,4 @@
 
 """Define version number here, read it from setup.py automatically"""
 
-__version__ = "0.16.0.dev"
+__version__ = "1.0.0"
diff --git a/cirq-core/cirq/_version.py b/cirq-core/cirq/_version.py
index 31ab3983f71..3d9b6c17b62 100644
--- a/cirq-core/cirq/_version.py
+++ b/cirq-core/cirq/_version.py
@@ -29,4 +29,4 @@
         'of cirq (e.g. "python -m pip install cirq==0.5.*")'
     )
 
-__version__ = "0.16.0.dev"
+__version__ = "1.0.0"
diff --git a/cirq-google/cirq_google/_version.py b/cirq-google/cirq_google/_version.py
index 31ab3983f71..3d9b6c17b62 100644
--- a/cirq-google/cirq_google/_version.py
+++ b/cirq-google/cirq_google/_version.py
@@ -29,4 +29,4 @@
         'of cirq (e.g. "python -m pip install cirq==0.5.*")'
     )
 
-__version__ = "0.16.0.dev"
+__version__ = "1.0.0"
diff --git a/cirq-ionq/cirq_ionq/_version.py b/cirq-ionq/cirq_ionq/_version.py
index 20082a126bb..21c22f32cae 100644
--- a/cirq-ionq/cirq_ionq/_version.py
+++ b/cirq-ionq/cirq_ionq/_version.py
@@ -14,4 +14,4 @@
 
 """Define version number here, read it from setup.py automatically"""
 
-__version__ = "0.16.0.dev"
+__version__ = "1.0.0"
diff --git a/cirq-pasqal/cirq_pasqal/_version.py b/cirq-pasqal/cirq_pasqal/_version.py
index 20082a126bb..21c22f32cae 100644
--- a/cirq-pasqal/cirq_pasqal/_version.py
+++ b/cirq-pasqal/cirq_pasqal/_version.py
@@ -14,4 +14,4 @@
 
 """Define version number here, read it from setup.py automatically"""
 
-__version__ = "0.16.0.dev"
+__version__ = "1.0.0"
diff --git a/cirq-rigetti/cirq_rigetti/_version.py b/cirq-rigetti/cirq_rigetti/_version.py
index 20082a126bb..21c22f32cae 100644
--- a/cirq-rigetti/cirq_rigetti/_version.py
+++ b/cirq-rigetti/cirq_rigetti/_version.py
@@ -14,4 +14,4 @@
 
 """Define version number here, read it from setup.py automatically"""
 
-__version__ = "0.16.0.dev"
+__version__ = "1.0.0"
diff --git a/cirq-web/cirq_web/_version.py b/cirq-web/cirq_web/_version.py
index b7fec1a51fc..da47b5839ae 100644
--- a/cirq-web/cirq_web/_version.py
+++ b/cirq-web/cirq_web/_version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "0.16.0.dev"
+__version__ = "1.0.0"