diff --git a/glue/cirq/setup.py b/glue/cirq/setup.py
index 0f095c677..23c5fec2c 100644
--- a/glue/cirq/setup.py
+++ b/glue/cirq/setup.py
@@ -17,7 +17,7 @@
 with open('README.md', encoding='UTF-8') as f:
     long_description = f.read()
 
-__version__ = '1.12.dev0'
+__version__ = '1.12.0'
 
 setup(
     name='stimcirq',
diff --git a/glue/cirq/stimcirq/__init__.py b/glue/cirq/stimcirq/__init__.py
index 0908f3fad..7e38ea948 100644
--- a/glue/cirq/stimcirq/__init__.py
+++ b/glue/cirq/stimcirq/__init__.py
@@ -1,4 +1,4 @@
-__version__ = '1.12.dev0'
+__version__ = '1.12.0'
 from ._cirq_to_stim import cirq_circuit_to_stim_circuit
 from ._cx_swap_gate import CXSwapGate
 from ._det_annotation import DetAnnotation
diff --git a/glue/sample/setup.py b/glue/sample/setup.py
index 41cd38682..f2467116c 100644
--- a/glue/sample/setup.py
+++ b/glue/sample/setup.py
@@ -19,7 +19,7 @@
 with open('requirements.txt', encoding='UTF-8') as f:
     requirements = f.read().splitlines()
 
-__version__ = '1.12.dev0'
+__version__ = '1.12.0'
 
 setup(
     name='sinter',
diff --git a/glue/sample/src/sinter/__init__.py b/glue/sample/src/sinter/__init__.py
index 1a14539bf..00ea78c07 100644
--- a/glue/sample/src/sinter/__init__.py
+++ b/glue/sample/src/sinter/__init__.py
@@ -1,4 +1,4 @@
-__version__ = '1.12.dev0'
+__version__ = '1.12.0'
 
 from sinter._anon_task_stats import (
     AnonTaskStats,
diff --git a/glue/zx/setup.py b/glue/zx/setup.py
index 24852edca..f192b9a22 100644
--- a/glue/zx/setup.py
+++ b/glue/zx/setup.py
@@ -17,7 +17,7 @@
 with open('README.md', encoding='UTF-8') as f:
     long_description = f.read()
 
-__version__ = '1.12.dev0'
+__version__ = '1.12.0'
 
 setup(
     name='stimzx',
diff --git a/glue/zx/stimzx/__init__.py b/glue/zx/stimzx/__init__.py
index 93489c421..95ef29802 100644
--- a/glue/zx/stimzx/__init__.py
+++ b/glue/zx/stimzx/__init__.py
@@ -1,4 +1,4 @@
-__version__ = '1.12.dev0'
+__version__ = '1.12.0'
 from ._external_stabilizer import (
     ExternalStabilizer,
 )
diff --git a/setup.py b/setup.py
index 7d6bc1a24..909bd835d 100644
--- a/setup.py
+++ b/setup.py
@@ -25,7 +25,7 @@
 HEADER_FILES = glob.glob("src/**/*.h", recursive=True) + glob.glob("src/**/*.inl", recursive=True)
 RELEVANT_SOURCE_FILES = sorted(set(ALL_SOURCE_FILES) - set(TEST_FILES + PERF_FILES + MAIN_FILES + MUX_SOURCE_FILES))
 
-__version__ = '1.12.dev0'
+__version__ = '1.12.0'
 
 if sys.platform.startswith('win'):
     common_compile_args = [