diff --git a/docker/build.sh b/docker/build.sh
index 491a07f507fefb53f2a97516819db5953b0763ea..2928b9c9713b230cbedbb0fe01b9c1fe64af0aa9 100755
--- a/docker/build.sh
+++ b/docker/build.sh
@@ -27,6 +27,7 @@ PACKAGES="
         php-mbstring
         php-xml
         php-zip
+        openssl
 
         noblogs-cli
 "