diff --git a/CHANGELOG.md b/CHANGELOG.md
index d961049e..5b88a591 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,7 +9,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 - **Fixed** for any bug fixes.
 - **Removed** for now removed features.
 
-## [ M.m.P ] - [ yyyy-mm-dd ]
+## [ 1.3.0 ] - [ 2026-03-23 ]
 
 ### Added
 - `U`, `Z90`, and `mZ90` unitary instructions.
diff --git a/emscripten/test_libqasm.ts b/emscripten/test_libqasm.ts
index e6f3ba75..2202b3a9 100644
--- a/emscripten/test_libqasm.ts
+++ b/emscripten/test_libqasm.ts
@@ -8,7 +8,7 @@ wrapper().then(function(result: any) {
 
     try {
         let output = cqasm.get_version()
-        let expected_output = "1.2.1"
+        let expected_output = "1.3.0"
         console.log("\nThe version of libqasm compiled with emscripten is:", output);
         if (output !== expected_output) {
             console.log("\tExpected output:", expected_output)
diff --git a/include/libqasm/versioning.hpp b/include/libqasm/versioning.hpp
index 2c65635d..2a0ec6c1 100644
--- a/include/libqasm/versioning.hpp
+++ b/include/libqasm/versioning.hpp
@@ -2,8 +2,8 @@
 
 namespace cqasm {
 
-static const char* version{ "1.2.1" };
-static const char* release_year{ "2025" };
+static const char* version{ "1.3.0" };
+static const char* release_year{ "2026" };
 
 [[nodiscard]] [[maybe_unused]] static const char* get_version() {
     return version;
diff --git a/package.json b/package.json
index 7a930d85..907baaef 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "libqasm",
-  "version": "1.2.1",
+  "version": "1.3.0",
   "repository": {
     "type": "git",
     "url": "https://github.com/QuTech-Delft/libqasm.git"