diff --git a/analyzer/codechecker_analyzer/analyzer_context.py b/analyzer/codechecker_analyzer/analyzer_context.py
index 993c4036c5..e62c5db65f 100644
--- a/analyzer/codechecker_analyzer/analyzer_context.py
+++ b/analyzer/codechecker_analyzer/analyzer_context.py
@@ -130,7 +130,8 @@ def __set_version(self):
 
         self.__package_version = package_version['major'] + '.' + \
             package_version['minor'] + '.' + \
-            package_version['revision']
+            package_version['revision'] + \
+            ('-rc' + package_version['rc'] if 'rc' in package_version else '')
 
         self.__package_build_date = package_build_date
         self.__package_git_hash = package_git_hash
diff --git a/analyzer/config/analyzer_version.json b/analyzer/config/analyzer_version.json
index c59ae6909f..92a2afbff7 100644
--- a/analyzer/config/analyzer_version.json
+++ b/analyzer/config/analyzer_version.json
@@ -2,6 +2,7 @@
     "version": {
         "major" : "6",
         "minor" : "20",
-        "revision" : "0"
+        "revision" : "0",
+        "rc" : "1"
     }
 }
diff --git a/scripts/build/extend_version_file.py b/scripts/build/extend_version_file.py
index ad9fb5c5a1..9a2e06e682 100755
--- a/scripts/build/extend_version_file.py
+++ b/scripts/build/extend_version_file.py
@@ -37,6 +37,8 @@ def extend_with_git_information(repository_root, version_json_data):
         version_string += ".{0}".format(version['minor'])
     if int(version['revision']) != 0:
         version_string += ".{0}".format(version['revision'])
+    if int(version['rc']) != 0:
+        version_string += "-rc{0}".format(version['rc'])
 
     LOG.info("This is CodeChecker v%s", version_string)
 
diff --git a/setup.py b/setup.py
index 12187579b3..c5cf4c9463 100644
--- a/setup.py
+++ b/setup.py
@@ -141,7 +141,7 @@ def run(self):
 
 setuptools.setup(
     name="codechecker",
-    version="6.20.0",
+    version="6.20.0-rc1",
     author='CodeChecker Team (Ericsson)',
     author_email='csordasmarton92@gmail.com',
     description="CodeChecker is an analyzer tooling, defect database and "
diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index 610f30135c..4b03b4201a 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -1,6 +1,6 @@
 name: codechecker
 base: core18
-version: '6.20.0'
+version: '6.20.0-rc1'
 summary: CodeChecker is an analyzer tooling, defect database and viewer extension
 description: |
   CodeChecker is an analyzer tooling, defect database and viewer extension.
@@ -33,7 +33,7 @@ parts:
   codechecker:
     plugin: python
     python-version: python3
-    source: https://github.com/Ericsson/codechecker/archive/v6.20.0.tar.gz
+    source: https://github.com/Ericsson/codechecker/archive/v6.20.0-rc1.tar.gz
     build-packages:
       - curl
       - gcc-multilib
diff --git a/web/codechecker_web/shared/webserver_context.py b/web/codechecker_web/shared/webserver_context.py
index f9a09edf87..ab38e8cfca 100644
--- a/web/codechecker_web/shared/webserver_context.py
+++ b/web/codechecker_web/shared/webserver_context.py
@@ -125,7 +125,8 @@ def __set_version(self):
 
         self.__package_version = package_version['major'] + '.' + \
             package_version['minor'] + '.' + \
-            package_version['revision']
+            package_version['revision'] + \
+            ('-rc' + package_version['rc'] if 'rc' in package_version else '')
 
         self.__package_build_date = package_build_date
         self.__package_git_hash = package_git_hash
diff --git a/web/config/web_version.json b/web/config/web_version.json
index c59ae6909f..3055006cbc 100644
--- a/web/config/web_version.json
+++ b/web/config/web_version.json
@@ -2,6 +2,7 @@
     "version": {
         "major" : "6",
         "minor" : "20",
-        "revision" : "0"
+        "revision" : "0",
+        "rc": "1"
     }
 }