diff --git a/requirements-constraints.txt b/requirements-constraints.txt
index ffb9209..7e54078 100644
--- a/requirements-constraints.txt
+++ b/requirements-constraints.txt
@@ -113,8 +113,9 @@ cffi==1.14.0 \
 asn1crypto==0.24.0 \
     --hash=sha256:2f1adbb7546ed199e3c90ef23ec95c5cf3585bac7d11fb7eb562a3fe89c64e87 \
     --hash=sha256:9d5c20441baf0cb60a4ac34cc447c6c189024b6b4c6cd7877034f4965c464e49
-pycparser==2.19 \
-    --hash=sha256:a988718abfad80b6b157acce7bf130a30876d27603738ac39f140993246b25b3
+pycparser==2.20 \
+    --hash=sha256:7582ad22678f0fcd81102833f60ef8d0e57288b6b5fb00323d101be910e35705 \
+    --hash=sha256:2d475327684562c3a96cc71adf7dc8c4f0565175cf86b6d7a404ff4c771f15f0
 pathspec==0.5.9 \
     --hash=sha256:54a5eab895d89f342b52ba2bffe70930ef9f8d96e398cccf530d21fa0516a873
 colorama==0.4.3 \