diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index c0145c0..060cb30 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -19,5 +19,5 @@ jobs:
     - uses: actions/checkout@v2
     - uses: ./.github/actions
       with:
-        version: '7.17.20'
+        version: '7.17.21'
         tags: 7.17,7,latest
diff --git a/Makefile b/Makefile
index c6aa577..c2bcfde 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 -include env_make
 
-ELASTICSEARCH_VER ?= 7.17.20
+ELASTICSEARCH_VER ?= 7.17.21
 ELASTICSEARCH_MINOR_VER=$(shell echo "${ELASTICSEARCH_VER}" | grep -oE '^[0-9]+\.[0-9]+')
 
 OPENJDK_VER ?= 11