diff --git a/contrib/build-linux/appimage/Dockerfile b/contrib/build-linux/appimage/Dockerfile
index 5331b943d..860a91207 100644
--- a/contrib/build-linux/appimage/Dockerfile
+++ b/contrib/build-linux/appimage/Dockerfile
@@ -11,9 +11,9 @@ RUN apt-get update -q && \
         autoconf=2.69-9 \
         libtool=2.4.6-0.1 \
         xz-utils=5.1.1alpha+20120614-2ubuntu2 \
-        libssl-dev=1.0.2g-1ubuntu4.17 \
-        libssl1.0.0=1.0.2g-1ubuntu4.17 \
-        openssl=1.0.2g-1ubuntu4.17 \
+        libssl-dev=1.0.2g-1ubuntu4.18 \
+        libssl1.0.0=1.0.2g-1ubuntu4.18 \
+        openssl=1.0.2g-1ubuntu4.18 \
         zlib1g-dev=1:1.2.8.dfsg-2ubuntu4.3 \
         libffi-dev=3.2.1-4 \
         libncurses5-dev=6.0+20160213-1ubuntu1 \