diff --git a/gradle.properties b/gradle.properties
index 2e9a661b1765..8997d91e81c0 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -2,6 +2,6 @@ org.gradle.caching=true
 org.gradle.parallel=true
 org.gradle.jvmargs='-Dfile.encoding=UTF-8'
 org.gradle.workers.max=3
-version=1.2.55
+version=1.2.56-SNAPSHOT
 group=org.ballerinalang
 bootstrappedOn=1.1.0-alpha
diff --git a/misc/testerina/modules/testerina-core/src/main/ballerina/Ballerina.toml b/misc/testerina/modules/testerina-core/src/main/ballerina/Ballerina.toml
index ce6d98df7f31..2ca25f366ba2 100644
--- a/misc/testerina/modules/testerina-core/src/main/ballerina/Ballerina.toml
+++ b/misc/testerina/modules/testerina-core/src/main/ballerina/Ballerina.toml
@@ -8,5 +8,5 @@ target = "java8"
     [[platform.libraries]]
         artifactId = "mock"
         version = "0.0.0"
-        path = "./lib/testerina-core-1.2.52.jar"
+        path = "./lib/testerina-core-1.2.55.jar"
         groupId = "ballerina"
diff --git a/tool-plugins/vscode/grammar/ballerina-grammar b/tool-plugins/vscode/grammar/ballerina-grammar
index 42ddcc1c63c8..d9c8924600c4 160000
--- a/tool-plugins/vscode/grammar/ballerina-grammar
+++ b/tool-plugins/vscode/grammar/ballerina-grammar
@@ -1 +1 @@
-Subproject commit 42ddcc1c63c86bdd6ba712e86bf965f5063831d3
+Subproject commit d9c8924600c45ad04e6d966cb0916373f00146d6