diff --git a/Makefile b/Makefile
index 9fcd57ea4406..7772afea18ed 100644
--- a/Makefile
+++ b/Makefile
@@ -36,7 +36,7 @@ RESTY_PCRE_VERSION ?= `grep RESTY_PCRE_VERSION $(KONG_SOURCE_LOCATION)/.requirem
 KONG_GMP_VERSION ?= `grep KONG_GMP_VERSION $(KONG_SOURCE_LOCATION)/.requirements | awk -F"=" '{print $$2}'`
 KONG_NETTLE_VERSION ?= `grep KONG_NETTLE_VERSION $(KONG_SOURCE_LOCATION)/.requirements | awk -F"=" '{print $$2}'`
 OPENRESTY_PATCHES ?= 1
-LIBYAML_VERSION ?= 0.2.1
+LIBYAML_VERSION ?= 0.2.3
 DOCKER_KONG_VERSION ?= master
 DEBUG ?= 0
 
@@ -278,7 +278,7 @@ ifneq ($(RESTY_IMAGE_BASE),src)
 	-t $(DOCKER_REPOSITORY):test-$(DOCKER_TEST_SUFFIX) .
 	docker tag $(DOCKER_REPOSITORY):test-$(DOCKER_TEST_SUFFIX) $(DOCKER_REPOSITORY):test
 	docker tag $(DOCKER_REPOSITORY):test-$(DOCKER_TEST_SUFFIX) $(DOCKER_REPOSITORY):test-$(DOCKER_OPENRESTY_SUFFIX)
-	
+
 	-$(UPDATE_CACHE_COMMAND) $(DOCKER_REPOSITORY):test-$(DOCKER_OPENRESTY_SUFFIX)
 endif
 
diff --git a/dockerfiles/Dockerfile.openresty b/dockerfiles/Dockerfile.openresty
index e1cdb654f4bb..f574bf19a0fb 100644
--- a/dockerfiles/Dockerfile.openresty
+++ b/dockerfiles/Dockerfile.openresty
@@ -8,7 +8,7 @@ FROM ${DOCKER_REPOSITORY}:${RESTY_IMAGE_BASE}-${RESTY_IMAGE_TAG}-${DOCKER_BASE_S
 ARG EDITION="community"
 ENV EDITION $EDITION
 
-ARG LIBYAML_VERSION=0.2.1
+ARG LIBYAML_VERSION=0.2.3
 ENV LIBYAML_VERSION $LIBYAML_VERSION
 RUN curl -fsSLo /tmp/yaml-${LIBYAML_VERSION}.tar.gz https://pyyaml.org/download/libyaml/yaml-${LIBYAML_VERSION}.tar.gz \
     && cd /tmp \