diff --git a/Dockerfile b/Dockerfile
index 312ad32..7086d1c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ ENV SALT_VERSION="2019.2.0" \
     LIBSSH2_VERSION="1.9.0" \
     LIBGIT2_VERSION="0.28.3" \
     PYGIT2_VERSION="0.28.2" \
-    M2CRYPTO_VERSION="0.31.0"
+    M2CRYPTO_VERSION="0.35.2"
 
 ENV SALT_DOCKER_DIR="/etc/docker-salt" \
     SALT_ROOT_DIR="/etc/salt" \