diff --git a/Dockerfile b/Dockerfile
index 755fbfc..3febc26 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -41,6 +41,11 @@ COPY --from=builder /sbin/dovecot /sbin/dovecot
 
 RUN apk --no-cache add \
     libsodium \
+    libbz2 \
+    zlib \
+    libressl \
+    libressl2.6-libssl \
+    libressl2.6-libcrypto \
     lua
 
 RUN addgroup -g 2222 dovecot