diff --git a/external/python3/ExternalPackage_python3.mk b/external/python3/ExternalPackage_python3.mk
index a6b0d352f84c..984e925bf102 100644
--- a/external/python3/ExternalPackage_python3.mk
+++ b/external/python3/ExternalPackage_python3.mk
@@ -1074,6 +1074,7 @@ $(eval $(call gb_ExternalPackage_add_unpacked_files,python3,$(LIBO_BIN_FOLDER)/p
 $(eval $(call gb_ExternalPackage_add_unpacked_files,python3,$(LIBO_BIN_FOLDER)/python-core-$(PYTHON_VERSION)/lib/pip/_vendor/certifi,\
 	Lib/pip/_vendor/certifi/__init__.py \
 	Lib/pip/_vendor/certifi/__main__.py \
+	Lib/pip/_vendor/certifi/cacert.pem \
 	Lib/pip/_vendor/certifi/core.py \
 ))
 
diff --git a/external/python3/generateExternalPackage.py b/external/python3/generateExternalPackage.py
index a669580ed0f5..ef6650438626 100755
--- a/external/python3/generateExternalPackage.py
+++ b/external/python3/generateExternalPackage.py
@@ -34,7 +34,7 @@ if __name__ == '__main__':
             continue
 
         for fileName in sorted(files):
-            if not fileName.endswith(".py"):
+            if not fileName.endswith(".py") and not fileName.endswith(".pem"):
                 continue
             filesList.append(path.join(relPythonDir, fileName))
         if filesList: