diff --git a/ChangeLog.md b/ChangeLog.md
index 7070ce45..a830f8c1 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,4 +1,4 @@
-# 21.3 (tbd)
+# 21.3 (2021-11-07)
 
 ## Bug Fixes
 * fix for escaping double quote in CSV format
diff --git a/VERSION b/VERSION
index 6355495f..2b8b7b7e 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-21.2
\ No newline at end of file
+21.3
\ No newline at end of file
diff --git a/contrib/archlinux/PKGBUILD b/contrib/archlinux/PKGBUILD
index 14d81617..1bbd5d1c 100644
--- a/contrib/archlinux/PKGBUILD
+++ b/contrib/archlinux/PKGBUILD
@@ -2,7 +2,7 @@
 # Contributor: Milan Knizek <knizek volny cz>
 # Usage: makepkg
 pkgname=ebusd
-pkgver=21.2
+pkgver=21.3
 pkgrel=1
 pkgdesc="ebusd, the daemon for communication with eBUS heating systems."
 arch=('i686' 'x86_64' 'armv6h' 'armv7h' 'aarch64')
diff --git a/contrib/archlinux/PKGBUILD.git b/contrib/archlinux/PKGBUILD.git
index 7086e074..3d6c1e83 100644
--- a/contrib/archlinux/PKGBUILD.git
+++ b/contrib/archlinux/PKGBUILD.git
@@ -3,7 +3,7 @@
 # Usage: makepkg -p PKGBUILD.git
 pkgname=ebusd-git
 _gitname=ebusd
-pkgver=21.2
+pkgver=21.3
 pkgrel=1
 pkgdesc="ebusd, the daemon for communication with eBUS heating systems."
 arch=('i686' 'x86_64' 'armv6h' 'armv7h' 'aarch64')
diff --git a/contrib/docker/Dockerfile b/contrib/docker/Dockerfile
index 83548677..ff5101e7 100755
--- a/contrib/docker/Dockerfile
+++ b/contrib/docker/Dockerfile
@@ -10,7 +10,7 @@ RUN apt-get update && apt-get install -y \
 WORKDIR /build
 
 ENV EBUSD_ARCH amd64
-ENV EBUSD_VERSION 21.2
+ENV EBUSD_VERSION 21.3
 
 RUN git clone https://github.com/john30/ebusd.git /build \
     && ./make_debian.sh
@@ -26,7 +26,7 @@ RUN apt-get update && apt-get install -y \
 
 LABEL maintainer "ebusd@ebusd.eu"
 
-ENV EBUSD_VERSION 21.2
+ENV EBUSD_VERSION 21.3
 ENV EBUSD_ARCH amd64
 
 LABEL version "${EBUSD_VERSION}-${EBUSD_ARCH}-devel"
diff --git a/contrib/docker/Dockerfile.arm32v5 b/contrib/docker/Dockerfile.arm32v5
index 40c484bd..0cc858b7 100644
--- a/contrib/docker/Dockerfile.arm32v5
+++ b/contrib/docker/Dockerfile.arm32v5
@@ -10,7 +10,7 @@ RUN apt-get update && apt-get install -y \
 WORKDIR /build
 
 ENV EBUSD_ARCH arm32v5
-ENV EBUSD_VERSION 21.2
+ENV EBUSD_VERSION 21.3
 
 RUN git clone https://github.com/john30/ebusd.git /build \
     && ./make_debian.sh
@@ -26,7 +26,7 @@ RUN apt-get update && apt-get install -y \
 
 LABEL maintainer "ebusd@ebusd.eu"
 
-ENV EBUSD_VERSION 21.2
+ENV EBUSD_VERSION 21.3
 ENV EBUSD_ARCH arm32v5
 
 LABEL version "${EBUSD_VERSION}-${EBUSD_ARCH}-devel"
diff --git a/contrib/docker/Dockerfile.arm32v7 b/contrib/docker/Dockerfile.arm32v7
index 832212f1..9ebe456b 100644
--- a/contrib/docker/Dockerfile.arm32v7
+++ b/contrib/docker/Dockerfile.arm32v7
@@ -10,7 +10,7 @@ RUN apt-get update && apt-get install -y \
 WORKDIR /build
 
 ENV EBUSD_ARCH arm32v7
-ENV EBUSD_VERSION 21.2
+ENV EBUSD_VERSION 21.3
 
 RUN git clone https://github.com/john30/ebusd.git /build \
     && ./make_debian.sh
@@ -26,7 +26,7 @@ RUN apt-get update && apt-get install -y \
 
 LABEL maintainer "ebusd@ebusd.eu"
 
-ENV EBUSD_VERSION 21.2
+ENV EBUSD_VERSION 21.3
 ENV EBUSD_ARCH arm32v7
 
 LABEL version "${EBUSD_VERSION}-${EBUSD_ARCH}-devel"
diff --git a/contrib/docker/Dockerfile.arm64v8 b/contrib/docker/Dockerfile.arm64v8
index 29b0924b..3bf92764 100644
--- a/contrib/docker/Dockerfile.arm64v8
+++ b/contrib/docker/Dockerfile.arm64v8
@@ -10,7 +10,7 @@ RUN apt-get update && apt-get install -y \
 WORKDIR /build
 
 ENV EBUSD_ARCH arm64v8
-ENV EBUSD_VERSION 21.2
+ENV EBUSD_VERSION 21.3
 
 RUN git clone https://github.com/john30/ebusd.git /build \
     && ./make_debian.sh
@@ -26,7 +26,7 @@ RUN apt-get update && apt-get install -y \
 
 LABEL maintainer "ebusd@ebusd.eu"
 
-ENV EBUSD_VERSION 21.2
+ENV EBUSD_VERSION 21.3
 ENV EBUSD_ARCH arm64v8
 
 LABEL version "${EBUSD_VERSION}-${EBUSD_ARCH}-devel"
diff --git a/contrib/docker/Dockerfile.i386 b/contrib/docker/Dockerfile.i386
index 968bf03c..d5ed03ea 100644
--- a/contrib/docker/Dockerfile.i386
+++ b/contrib/docker/Dockerfile.i386
@@ -10,7 +10,7 @@ RUN apt-get update && apt-get install -y \
 WORKDIR /build
 
 ENV EBUSD_ARCH i386
-ENV EBUSD_VERSION 21.2
+ENV EBUSD_VERSION 21.3
 
 RUN git clone https://github.com/john30/ebusd.git /build \
     && ./make_debian.sh
@@ -26,7 +26,7 @@ RUN apt-get update && apt-get install -y \
 
 LABEL maintainer "ebusd@ebusd.eu"
 
-ENV EBUSD_VERSION 21.2
+ENV EBUSD_VERSION 21.3
 ENV EBUSD_ARCH i386
 
 LABEL version "${EBUSD_VERSION}-${EBUSD_ARCH}-devel"
diff --git a/contrib/docker/Dockerfile.release b/contrib/docker/Dockerfile.release
index 8e94afb8..e05f442f 100644
--- a/contrib/docker/Dockerfile.release
+++ b/contrib/docker/Dockerfile.release
@@ -10,7 +10,7 @@ RUN apt-get update && apt-get install -y \
 WORKDIR /build
 
 ENV EBUSD_ARCH amd64
-ENV EBUSD_VERSION 21.2
+ENV EBUSD_VERSION 21.3
 
 RUN git clone https://github.com/john30/ebusd.git /build \
     && ./make_debian.sh
@@ -26,7 +26,7 @@ RUN apt-get update && apt-get install -y \
 
 LABEL maintainer "ebusd@ebusd.eu"
 
-ENV EBUSD_VERSION 21.2
+ENV EBUSD_VERSION 21.3
 ENV EBUSD_ARCH amd64
 
 LABEL version "${EBUSD_VERSION}-${EBUSD_ARCH}"
diff --git a/contrib/docker/Dockerfile.release.arm32v5 b/contrib/docker/Dockerfile.release.arm32v5
index 67979710..3727b1bc 100644
--- a/contrib/docker/Dockerfile.release.arm32v5
+++ b/contrib/docker/Dockerfile.release.arm32v5
@@ -10,7 +10,7 @@ RUN apt-get update && apt-get install -y \
 WORKDIR /build
 
 ENV EBUSD_ARCH arm32v5
-ENV EBUSD_VERSION 21.2
+ENV EBUSD_VERSION 21.3
 
 RUN git clone https://github.com/john30/ebusd.git /build \
     && ./make_debian.sh
@@ -26,7 +26,7 @@ RUN apt-get update && apt-get install -y \
 
 LABEL maintainer "ebusd@ebusd.eu"
 
-ENV EBUSD_VERSION 21.2
+ENV EBUSD_VERSION 21.3
 ENV EBUSD_ARCH arm32v5
 
 LABEL version "${EBUSD_VERSION}-${EBUSD_ARCH}"
diff --git a/contrib/docker/Dockerfile.release.arm32v7 b/contrib/docker/Dockerfile.release.arm32v7
index 733f26ce..29498175 100644
--- a/contrib/docker/Dockerfile.release.arm32v7
+++ b/contrib/docker/Dockerfile.release.arm32v7
@@ -10,7 +10,7 @@ RUN apt-get update && apt-get install -y \
 WORKDIR /build
 
 ENV EBUSD_ARCH arm32v7
-ENV EBUSD_VERSION 21.2
+ENV EBUSD_VERSION 21.3
 
 RUN git clone https://github.com/john30/ebusd.git /build \
     && ./make_debian.sh
@@ -26,7 +26,7 @@ RUN apt-get update && apt-get install -y \
 
 LABEL maintainer "ebusd@ebusd.eu"
 
-ENV EBUSD_VERSION 21.2
+ENV EBUSD_VERSION 21.3
 ENV EBUSD_ARCH arm32v7
 
 LABEL version "${EBUSD_VERSION}-${EBUSD_ARCH}"
diff --git a/contrib/docker/Dockerfile.release.arm64v8 b/contrib/docker/Dockerfile.release.arm64v8
index a9519e56..5586fdcf 100644
--- a/contrib/docker/Dockerfile.release.arm64v8
+++ b/contrib/docker/Dockerfile.release.arm64v8
@@ -10,7 +10,7 @@ RUN apt-get update && apt-get install -y \
 WORKDIR /build
 
 ENV EBUSD_ARCH arm64v8
-ENV EBUSD_VERSION 21.2
+ENV EBUSD_VERSION 21.3
 
 RUN git clone https://github.com/john30/ebusd.git /build \
     && ./make_debian.sh
@@ -26,7 +26,7 @@ RUN apt-get update && apt-get install -y \
 
 LABEL maintainer "ebusd@ebusd.eu"
 
-ENV EBUSD_VERSION 21.2
+ENV EBUSD_VERSION 21.3
 ENV EBUSD_ARCH arm64v8
 
 LABEL version "${EBUSD_VERSION}-${EBUSD_ARCH}"
diff --git a/contrib/docker/Dockerfile.release.i386 b/contrib/docker/Dockerfile.release.i386
index a2a0de05..c5fd8eed 100644
--- a/contrib/docker/Dockerfile.release.i386
+++ b/contrib/docker/Dockerfile.release.i386
@@ -10,7 +10,7 @@ RUN apt-get update && apt-get install -y \
 WORKDIR /build
 
 ENV EBUSD_ARCH i386
-ENV EBUSD_VERSION 21.2
+ENV EBUSD_VERSION 21.3
 
 RUN git clone https://github.com/john30/ebusd.git /build \
     && ./make_debian.sh
@@ -26,7 +26,7 @@ RUN apt-get update && apt-get install -y \
 
 LABEL maintainer "ebusd@ebusd.eu"
 
-ENV EBUSD_VERSION 21.2
+ENV EBUSD_VERSION 21.3
 ENV EBUSD_ARCH i386
 
 LABEL version "${EBUSD_VERSION}-${EBUSD_ARCH}"