diff --git a/data/Dockerfiles/postfix-tlspol/Dockerfile b/data/Dockerfiles/postfix-tlspol/Dockerfile
index c32f86f57..68f6ecced 100644
--- a/data/Dockerfiles/postfix-tlspol/Dockerfile
+++ b/data/Dockerfiles/postfix-tlspol/Dockerfile
@@ -4,7 +4,7 @@ WORKDIR /src
 ENV CGO_ENABLED=0 \
     GO111MODULE=on \
 		NOOPT=1 \
-    VERSION=1.8.14
+    VERSION=1.8.22
 
 RUN git clone --branch v${VERSION} https://github.com/Zuplu/postfix-tlspol && \
     cd /src/postfix-tlspol && \
diff --git a/docker-compose.yml b/docker-compose.yml
index f7390c797..75d00af34 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -382,7 +382,7 @@ services:
             - postfix
 
     postfix-tlspol-mailcow:
-      image: ghcr.io/mailcow/postfix-tlspol:1.0
+      image: ghcr.io/mailcow/postfix-tlspol:1.8.22
       depends_on:
         unbound-mailcow:
           condition: service_healthy