Stabilize sdc-docker-base-maven-docker-stage-master

Change-Id: Ia1da77a3b57ef1cefb47f3c6fe9c0152c6d485d1
Signed-off-by: Vasyl Razinkov <vasyl.razinkov@est.tech>
Issue-ID: SDC-2873
diff --git a/base_sdc-cqlsh/Dockerfile b/base_sdc-cqlsh/Dockerfile
index 277ed02..a16552a 100644
--- a/base_sdc-cqlsh/Dockerfile
+++ b/base_sdc-cqlsh/Dockerfile
@@ -17,7 +17,7 @@
     apk add --no-cache \
     bash \
     build-base \
-    ruby=2.5.7-r0 \
+    ruby=2.5.8-r0 \
     ruby-dev \
     libffi-dev \
     libxml2-dev && \