diff --git a/Dockerfile.alpine b/Dockerfile.alpine
index f6ead7d..4175fc2 100644
--- a/Dockerfile.alpine
+++ b/Dockerfile.alpine
@@ -14,7 +14,7 @@ RUN USER=rust touch ./src/main.rs
 RUN cargo build --release
 
 FROM alpine:3
-RUN apk --no-cache add ca-certificates=20191127-r7
+RUN apk --no-cache add ca-certificates=20211220-r0
 COPY --from=builder \
     /home/rust/src/target/x86_64-unknown-linux-musl/release/vaultwarden_ldap \
     /usr/local/bin/