diff --git a/lutron-cert/Dockerfile b/lutron-cert/Dockerfile
index 7722161..5499948 100644
--- a/lutron-cert/Dockerfile
+++ b/lutron-cert/Dockerfile
@@ -13,7 +13,7 @@ ARG BUILD_ARCH=amd64
 RUN \
     apk add --no-cache --virtual .build-dependencies \
         gcc=9.3.0-r2 \
-        libc-dev=0.7.2-r0 \
+        libc-dev=0.7.2-r3 \
         libffi-dev=3.3-r2 \
         openssl-dev=1.1.1g-r0 \
     \