diff --git a/Dockerfile b/Dockerfile
index bf301547e..a83c330a9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,7 +11,7 @@ ARG SRS_AUTO_PACKAGER
 RUN echo "BUILDPLATFORM: $BUILDPLATFORM, TARGETPLATFORM: $TARGETPLATFORM, PACKAGER: ${#SRS_AUTO_PACKAGER}, CONFARGS: ${CONFARGS}, MAKEARGS: ${MAKEARGS}, INSTALLDEPENDS: ${INSTALLDEPENDS}"
 
 # https://serverfault.com/questions/949991/how-to-install-tzdata-on-a-ubuntu-docker-image
-ENV DEBIAN_FRONTEND noninteractive
+ENV DEBIAN_FRONTEND=noninteractive
 
 # To use if in RUN, see https://github.com/moby/moby/issues/7281#issuecomment-389440503
 # Note that only exists issue like "/bin/sh: 1: [[: not found" for Ubuntu20, no such problem in CentOS7.
diff --git a/trunk/doc/CHANGELOG.md b/trunk/doc/CHANGELOG.md
index bc7e29c60..4af10b113 100644
--- a/trunk/doc/CHANGELOG.md
+++ b/trunk/doc/CHANGELOG.md
@@ -7,6 +7,7 @@ The changelog for SRS.
 <a name="v6-changes"></a>
 
 ## SRS 6.0 Changelog
+* v6.0, 2024-07-24, Merge [#4116](https://github.com/ossrs/srs/pull/4116): Dockerfile: Consistently use proper ENV syntax using "=". v6.0.140 (#4116)
 * v6.0, 2024-07-24, Merge [#4126](https://github.com/ossrs/srs/pull/4126): Edge: Improve stability for state and fd closing. v6.0.139 (#4126)
 * v6.0, 2024-07-13, Merge [#4111](https://github.com/ossrs/srs/pull/4111): DASH: Fix time unit error for disposing. v6.0.138 (#4111)
 * v6.0, 2024-07-09, Merge [#4028](https://github.com/ossrs/srs/pull/4028): HTTPS: Support config key/cert for HTTPS API. v6.0.137 (#4028)
diff --git a/trunk/src/core/srs_core_version6.hpp b/trunk/src/core/srs_core_version6.hpp
index 369841a56..9b6cb83ce 100644
--- a/trunk/src/core/srs_core_version6.hpp
+++ b/trunk/src/core/srs_core_version6.hpp
@@ -9,6 +9,6 @@
 
 #define VERSION_MAJOR       6
 #define VERSION_MINOR       0
-#define VERSION_REVISION    139
+#define VERSION_REVISION    140
 
 #endif