diff --git a/Dockerfile b/Dockerfile
index 603fcca..67f80ad 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.13@sha256:a75afd8b57e7f34e4dad8d65e2c7ba2e1975c795ce1ee22fa34f8cf46f96a3be AS builder
+FROM alpine:3.13@sha256:826f70e0ac33e99a72cf20fb0571245a8fee52d68cb26d8bc58e53bfa65dcdfa AS builder
 
 ENV GIT_CRYPT_VERSION 0.6.0
 ENV GIT_CRYPT_CHECKSUM 777c0c7aadbbc758b69aff1339ca61697011ef7b92f1d1ee9518a8ee7702bb78
@@ -17,7 +17,7 @@ RUN curl -fSsL https://github.com/AGWA/git-crypt/archive/$GIT_CRYPT_VERSION.tar.
     && make \
     && make install PREFIX=/usr
 
-FROM alpine:3.13@sha256:a75afd8b57e7f34e4dad8d65e2c7ba2e1975c795ce1ee22fa34f8cf46f96a3be
+FROM alpine:3.13@sha256:826f70e0ac33e99a72cf20fb0571245a8fee52d68cb26d8bc58e53bfa65dcdfa
 
 RUN apk --update --no-cache add \
     git \