diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 56b0469f..f8bd00d3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -279,6 +279,7 @@ pip_windows:
     - pip
     - windows
   script:
+    - .\tests\build_pip.ps1 C:\Python37
     - .\tests\build_pip.ps1 C:\Python38
     - .\tests\build_pip.ps1 C:\Python39
     - .\tests\build_pip.ps1 C:\Python310
diff --git a/tests/build_pip.sh b/tests/build_pip.sh
index 0c620f56..3635ad2c 100755
--- a/tests/build_pip.sh
+++ b/tests/build_pip.sh
@@ -8,7 +8,7 @@ export NETGEN_CCACHE=1
 
 /opt/python/cp39-cp39/bin/python tests/fix_auditwheel_policy.py
 
-for pyversion in 38 39 310 311 312
+for pyversion in 37 38 39 310 311 312
 do
     export PYDIR="/opt/python/cp${pyversion}-cp${pyversion}/bin"
     echo $PYDIR