diff --git a/samples/geography/requirements.txt b/samples/geography/requirements.txt
index 42f2b5a86..d08bad258 100644
--- a/samples/geography/requirements.txt
+++ b/samples/geography/requirements.txt
@@ -34,8 +34,8 @@ pandas===1.3.5; python_version == '3.7'
 pandas===2.0.3; python_version == '3.8'
 pandas==2.2.3; python_version >= '3.9'
 proto-plus==1.25.0
-pyarrow==12.0.1; python_version == '3.7'
-pyarrow==17.0.0; python_version == '3.8'
+pyarrow===12.0.1; python_version == '3.7'
+pyarrow===17.0.0; python_version == '3.8'
 pyarrow==18.0.0; python_version >= '3.9'
 pyasn1===0.5.1; python_version == '3.7'
 pyasn1==0.6.1; python_version >= '3.8'