diff --git a/.github/workflows/build-qa-os-matrix-large.yml b/.github/workflows/build-qa-os-matrix-large.yml
index da2da918..1756edf7 100644
--- a/.github/workflows/build-qa-os-matrix-large.yml
+++ b/.github/workflows/build-qa-os-matrix-large.yml
@@ -59,8 +59,8 @@ jobs:
           - ciready/debian:bookworm-ci-c
           - ciready/debian:sid-ci-c
 
-          - ciready/opensuse:leap-15.3-ci-c
           - ciready/opensuse:leap-15.4-ci-c
+          - ciready/opensuse:leap-15.5-ci-c
           - ciready/opensuse:tumbleweed-latest-ci-c
 
           - ciready/ubuntu:20.04-ci-c
diff --git a/.github/workflows/install-qa-os-matrix.yml b/.github/workflows/install-qa-os-matrix.yml
index d72e5565..fbae3ca5 100644
--- a/.github/workflows/install-qa-os-matrix.yml
+++ b/.github/workflows/install-qa-os-matrix.yml
@@ -53,8 +53,8 @@ jobs:
           - debian:bookworm
           - debian:sid
 
-          - opensuse/leap:15.3
           - opensuse/leap:15.4
+          - opensuse/leap:15.5
           - opensuse/tumbleweed:latest
 
           - ubuntu:20.04
diff --git a/.github/workflows/packaging-qa-os-matrix-large.yml b/.github/workflows/packaging-qa-os-matrix-large.yml
index 5c11aed2..0d6a2e10 100644
--- a/.github/workflows/packaging-qa-os-matrix-large.yml
+++ b/.github/workflows/packaging-qa-os-matrix-large.yml
@@ -58,8 +58,8 @@ jobs:
           - ciready/debian:bullseye-ci-c
           - ciready/debian:bookworm-ci-c
 
-          - ciready/opensuse:leap-15.3-ci-c
           - ciready/opensuse:leap-15.4-ci-c
+          - ciready/opensuse:leap-15.5-ci-c
 
           - ciready/ubuntu:20.04-ci-c
           - ciready/ubuntu:22.04-ci-c
diff --git a/.github/workflows/publish-native-packages.yml b/.github/workflows/publish-native-packages.yml
index ddbfe861..82e4fedc 100644
--- a/.github/workflows/publish-native-packages.yml
+++ b/.github/workflows/publish-native-packages.yml
@@ -44,8 +44,8 @@ jobs:
           - ciready/debian:bullseye-ci-c
           - ciready/debian:bookworm-ci-c
 
-          - ciready/opensuse:leap-15.3-ci-c
           - ciready/opensuse:leap-15.4-ci-c
+          - ciready/opensuse:leap-15.5-ci-c
 
           - ciready/ubuntu:20.04-ci-c
           - ciready/ubuntu:22.04-ci-c
diff --git a/.github/workflows/release-qa-os-matrix-install-from-repo.yml b/.github/workflows/release-qa-os-matrix-install-from-repo.yml
index 03235118..5e3f9855 100644
--- a/.github/workflows/release-qa-os-matrix-install-from-repo.yml
+++ b/.github/workflows/release-qa-os-matrix-install-from-repo.yml
@@ -51,8 +51,8 @@ jobs:
           - debian:bullseye
           - debian:bookworm
 
-          - opensuse/leap:15.3
           - opensuse/leap:15.4
+          - opensuse/leap:15.5
 
           - ubuntu:20.04
           - ubuntu:22.04
diff --git a/.github/workflows/release-qa-os-matrix-install-from-source.yml b/.github/workflows/release-qa-os-matrix-install-from-source.yml
index e1a866c3..e909c5d6 100644
--- a/.github/workflows/release-qa-os-matrix-install-from-source.yml
+++ b/.github/workflows/release-qa-os-matrix-install-from-source.yml
@@ -45,8 +45,8 @@ jobs:
           - debian:bookworm
           - debian:sid
 
-          - opensuse/leap:15.3
           - opensuse/leap:15.4
+          - opensuse/leap:15.5
           - opensuse/tumbleweed:latest
 
           - ubuntu:20.04
diff --git a/ChangeLog b/ChangeLog
index b308a15b..f5c6c600 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -6,9 +6,14 @@
 
 2023-xx-xx - Version 2.5.2
 --------------------------
+New features:
+=============
+o Add OpenSUSE 15.5 support.
+
 Deprecations:
 =============
 o Remove Ubuntu 18.04 support.
+o Remove OpenSUSE 15.3 support.
 
 
 
diff --git a/dev-tools/build-native-package.sh b/dev-tools/build-native-package.sh
index 2f298ede..ba2a96d8 100755
--- a/dev-tools/build-native-package.sh
+++ b/dev-tools/build-native-package.sh
@@ -186,12 +186,12 @@ case "$OS_ID" in
         PKG_SNOOPY_VERSION=`echo "$SNOOPY_RELEASE_VERSION" | sed -e 's/-\?rc/~rc/' | sed -e 's/-/_/g'`
         PKG_RELEASE_NUMBER="$ARG_PKG_RELEASE_NUMBER"
         case "$OS_VERSION" in
-            "15.3")
-                PKG_RELEASE_DIST="bp154"
-                ;;
             "15.4")
                 PKG_RELEASE_DIST="bp154"
                 ;;
+            "15.5")
+                PKG_RELEASE_DIST="bp155"
+                ;;
             *)
                 _fatalError "Unsuppoterd SUSE version: $OS_VERSION"
                 ;;
diff --git a/doc/install-from-repo.md b/doc/install-from-repo.md
index a2448c9d..27a78176 100644
--- a/doc/install-from-repo.md
+++ b/doc/install-from-repo.md
@@ -146,19 +146,19 @@ apt install snoopy
 
 List of supported openSUSE Leap versions [here](https://github.com/a2o/snoopy-packages/tree/master/repo/opensuse-leap).
 
-openSUSE Leap 15.4 [search-key:opensuse-leap-15.4]:
+openSUSE Leap 15.5 [search-key:opensuse-leap-15.5]:
 ```shell
 curl -o snoopy-packages-key.pub https://a2o.github.io/snoopy-packages/snoopy-packages-key.pub &&
 rpm --import snoopy-packages-key.pub &&
-zypper addrepo -n "Snoopy Upstream Stable Repository" -g -e https://a2o.github.io/snoopy-packages/repo/opensuse-leap/15.4/stable/ snoopy-stable &&
+zypper addrepo -n "Snoopy Upstream Stable Repository" -g -e https://a2o.github.io/snoopy-packages/repo/opensuse-leap/15.5/stable/ snoopy-stable &&
 zypper install snoopy
 ```
 
-openSUSE Leap 15.3 [search-key:opensuse-leap-15.3]:
+openSUSE Leap 15.4 [search-key:opensuse-leap-15.4]:
 ```shell
 curl -o snoopy-packages-key.pub https://a2o.github.io/snoopy-packages/snoopy-packages-key.pub &&
 rpm --import snoopy-packages-key.pub &&
-zypper addrepo -n "Snoopy Upstream Stable Repository" -g -e https://a2o.github.io/snoopy-packages/repo/opensuse-leap/15.3/stable/ snoopy-stable &&
+zypper addrepo -n "Snoopy Upstream Stable Repository" -g -e https://a2o.github.io/snoopy-packages/repo/opensuse-leap/15.4/stable/ snoopy-stable &&
 zypper install snoopy
 ```