diff --git a/.generator/requirements.in b/.generator/requirements.in
index be4b6f32218e..2ff5909270e0 100644
--- a/.generator/requirements.in
+++ b/.generator/requirements.in
@@ -1,5 +1,5 @@
 click
-gapic-generator>=1.28.3 # format generated samples
+gapic-generator==1.28.3 # format generated samples
 nox
 starlark-pyo3>=2025.1
 build