diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index fc89799..d5268f4 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -30,16 +30,16 @@ jobs:
   version:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: 'Set up Java'
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
-          distribution: zulu
-          java-version: 21
+          distribution: 'zulu'
+          java-version: '21'
 
       - name: 'Cache Maven packages'
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
@@ -89,7 +89,7 @@ jobs:
 
     steps:
       - name: 'Download all build artifacts'
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
 
       - name: 'Read HEAD ref'
         id: head
@@ -98,7 +98,7 @@ jobs:
           path: artifacts/HEAD
 
       - name: 'Check out repository'
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ steps.head.outputs.content }}
 
@@ -123,7 +123,7 @@ jobs:
 
 
       - name: 'Cache Maven packages'
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
@@ -150,7 +150,7 @@ jobs:
     steps:
       # must read HEAD before checkout
       - name: 'Download all build artifacts'
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
 
       - name: 'Read HEAD ref'
         id: head
@@ -172,7 +172,7 @@ jobs:
           echo "::set-output name=PLAIN_VERSION::$PLAIN_VERSION"
           echo "::set-output name=NEXT_VERSION::$NEXT_VERSION"
       - name: 'Check out repository'
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ steps.head.outputs.content }}
           fetch-depth: 0
@@ -180,16 +180,16 @@ jobs:
       # checkout will clobber downloaded artifacts
       # we have to download them again
       - name: 'Download all build artifacts'
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
 
       - name: 'Set up Java'
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
-          distribution: zulu
-          java-version: 21
+          distribution: 'zulu'
+          java-version: '21'
 
       - name: 'Cache Maven packages'
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
diff --git a/pom.xml b/pom.xml
index acb02ea..73a6d6b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
 
     <groupId>iot.technology</groupId>
     <artifactId>iot-toolkit</artifactId>
-    <version>0.7.3</version>
+    <version>0.7.2</version>
     <modules>
         <module>toolkit-mqtt</module>
         <module>toolkit-coap</module>
diff --git a/toolkit-app/pom.xml b/toolkit-app/pom.xml
index dfc5c09..4fc2a99 100644
--- a/toolkit-app/pom.xml
+++ b/toolkit-app/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>iot-toolkit</artifactId>
         <groupId>iot.technology</groupId>
-        <version>0.7.3</version>
+        <version>0.7.2</version>
     </parent>
 
 
diff --git a/toolkit-coap/pom.xml b/toolkit-coap/pom.xml
index 81761ae..3c8f2ff 100644
--- a/toolkit-coap/pom.xml
+++ b/toolkit-coap/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>iot-toolkit</artifactId>
         <groupId>iot.technology</groupId>
-        <version>0.7.3</version>
+        <version>0.7.2</version>
     </parent>
 
 
diff --git a/toolkit-common/pom.xml b/toolkit-common/pom.xml
index 7f69062..429433c 100644
--- a/toolkit-common/pom.xml
+++ b/toolkit-common/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>iot-toolkit</artifactId>
         <groupId>iot.technology</groupId>
-        <version>0.7.3</version>
+        <version>0.7.2</version>
     </parent>
 
     <name>IoT Technology ToolKit Common</name>
diff --git a/toolkit-mqtt/pom.xml b/toolkit-mqtt/pom.xml
index 9b348e9..2c2bd6a 100644
--- a/toolkit-mqtt/pom.xml
+++ b/toolkit-mqtt/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>iot-toolkit</artifactId>
         <groupId>iot.technology</groupId>
-        <version>0.7.3</version>
+        <version>0.7.2</version>
     </parent>
 
     <artifactId>toolkit-mqtt</artifactId>
diff --git a/toolkit-nbiot/pom.xml b/toolkit-nbiot/pom.xml
index e125953..a26e8dc 100644
--- a/toolkit-nbiot/pom.xml
+++ b/toolkit-nbiot/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>iot-toolkit</artifactId>
         <groupId>iot.technology</groupId>
-        <version>0.7.3</version>
+        <version>0.7.2</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>