diff --git a/requirements.txt b/requirements.txt
index 83c8b1a9b..1bdf3ced5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ browserstack-local==1.2.2
 pybrowserstack-screenshots==0.1
 glyphslib
 opentype-sanitizer
-pygit2
+pygit2==1.6.1
 requests
 strictyaml
 tabulate
diff --git a/setup.py b/setup.py
index 2bd9bc707..ebf967bf4 100644
--- a/setup.py
+++ b/setup.py
@@ -89,7 +89,7 @@ def gftools_scripts():
         'unidecode',
         'opentype-sanitizer',
         'vttlib',
-        'pygit2',
+        'pygit2==1.6.1',
         'strictyaml',
         'fontmake>=2.4.0',
         'skia-pathops',