diff --git a/php/Dockerfile-7.3 b/php/Dockerfile-7.3
index b55d213..26e9519 100644
--- a/php/Dockerfile-7.3
+++ b/php/Dockerfile-7.3
@@ -88,7 +88,7 @@ RUN set -xe \
     && docker-php-ext-enable igbinary \
     \
 # Install redis (manualy build in order to be able to enable igbinary)
-    && for i in $(seq 1 3); do pecl install -o --nobuild redis && s=0 && break || s=$? && sleep 1; done; (exit $s) \
+    && for i in $(seq 1 3); do pecl install -o --nobuild "redis-6.0.2" && s=0 && break || s=$? && sleep 1; done; (exit $s) \
     && cd "$(pecl config-get temp_dir)/redis" \
     && phpize \
     && ./configure --enable-redis-igbinary \