9 files changed, 9 insertions, 9 deletions
diff --git a/pkg/docker/Dockerfile.full b/pkg/docker/Dockerfile.full
index 724c24b6..a5f3e13f 100644
--- a/pkg/docker/Dockerfile.full
+++ b/pkg/docker/Dockerfile.full
@@ -2,7 +2,7 @@ FROM debian:buster-slim
 
 LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
 
-ENV UNIT_VERSION          1.20.0-1~buster
+ENV UNIT_VERSION          1.21.0-1~buster
 
 RUN set -x \
 	&& apt-get update \
diff --git a/pkg/docker/Dockerfile.go1.11-dev b/pkg/docker/Dockerfile.go1.11-dev
index 17b1d2e9..cb1c1d85 100644
--- a/pkg/docker/Dockerfile.go1.11-dev
+++ b/pkg/docker/Dockerfile.go1.11-dev
@@ -2,7 +2,7 @@ FROM debian:buster-slim
 
 LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
 
-ENV UNIT_VERSION          1.20.0-1~buster
+ENV UNIT_VERSION          1.21.0-1~buster
 
 RUN set -x \
 	&& apt-get update \
diff --git a/pkg/docker/Dockerfile.jsc11 b/pkg/docker/Dockerfile.jsc11
index 65b8ce0f..f3d1d22d 100644
--- a/pkg/docker/Dockerfile.jsc11
+++ b/pkg/docker/Dockerfile.jsc11
@@ -2,7 +2,7 @@ FROM debian:buster-slim
 
 LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
 
-ENV UNIT_VERSION          1.20.0-1~buster
+ENV UNIT_VERSION          1.21.0-1~buster
 
 RUN set -x \
 	&& apt-get update \
diff --git a/pkg/docker/Dockerfile.minimal b/pkg/docker/Dockerfile.minimal
index 5a10620a..da9c8712 100644
--- a/pkg/docker/Dockerfile.minimal
+++ b/pkg/docker/Dockerfile.minimal
@@ -2,7 +2,7 @@ FROM debian:buster-slim
 
 LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
 
-ENV UNIT_VERSION          1.20.0-1~buster
+ENV UNIT_VERSION          1.21.0-1~buster
 
 RUN set -x \
 	&& apt-get update \
diff --git a/pkg/docker/Dockerfile.perl5.28 b/pkg/docker/Dockerfile.perl5.28
index 868527e5..976fa7b0 100644
--- a/pkg/docker/Dockerfile.perl5.28
+++ b/pkg/docker/Dockerfile.perl5.28
@@ -2,7 +2,7 @@ FROM debian:buster-slim
 
 LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
 
-ENV UNIT_VERSION          1.20.0-1~buster
+ENV UNIT_VERSION          1.21.0-1~buster
 
 RUN set -x \
 	&& apt-get update \
diff --git a/pkg/docker/Dockerfile.php7.3 b/pkg/docker/Dockerfile.php7.3
index b5789dec..f1178551 100644
--- a/pkg/docker/Dockerfile.php7.3
+++ b/pkg/docker/Dockerfile.php7.3
@@ -2,7 +2,7 @@ FROM debian:buster-slim
 
 LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
 
-ENV UNIT_VERSION          1.20.0-1~buster
+ENV UNIT_VERSION          1.21.0-1~buster
 
 RUN set -x \
 	&& apt-get update \
diff --git a/pkg/docker/Dockerfile.python2.7 b/pkg/docker/Dockerfile.python2.7
index 9bb83f7b..95241af6 100644
--- a/pkg/docker/Dockerfile.python2.7
+++ b/pkg/docker/Dockerfile.python2.7
@@ -2,7 +2,7 @@ FROM debian:buster-slim
 
 LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
 
-ENV UNIT_VERSION          1.20.0-1~buster
+ENV UNIT_VERSION          1.21.0-1~buster
 
 RUN set -x \
 	&& apt-get update \
diff --git a/pkg/docker/Dockerfile.python3.7 b/pkg/docker/Dockerfile.python3.7
index 99324844..52a5a257 100644
--- a/pkg/docker/Dockerfile.python3.7
+++ b/pkg/docker/Dockerfile.python3.7
@@ -2,7 +2,7 @@ FROM debian:buster-slim
 
 LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
 
-ENV UNIT_VERSION          1.20.0-1~buster
+ENV UNIT_VERSION          1.21.0-1~buster
 
 RUN set -x \
 	&& apt-get update \
diff --git a/pkg/docker/Dockerfile.ruby2.5 b/pkg/docker/Dockerfile.ruby2.5
index fef96867..342ccc9a 100644
--- a/pkg/docker/Dockerfile.ruby2.5
+++ b/pkg/docker/Dockerfile.ruby2.5
@@ -2,7 +2,7 @@ FROM debian:buster-slim
 
 LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
 
-ENV UNIT_VERSION          1.20.0-1~buster
+ENV UNIT_VERSION          1.21.0-1~buster
 
 RUN set -x \
 	&& apt-get update \