diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 0ab132d..320c96f 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,4 +1,4 @@
 {
-    "post-compute": "0.3.1",
+    "post-compute": "0.4.0",
     "pre-compute": "0.4.1"
 }
diff --git a/post-compute/CHANGELOG.md b/post-compute/CHANGELOG.md
index 8be695b..3e959f3 100644
--- a/post-compute/CHANGELOG.md
+++ b/post-compute/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+## [0.4.0](https://github.com/iExecBlockchainComputing/tee-worker-compute-rust/compare/tee-worker-post-compute-v0.3.1...tee-worker-post-compute-v0.4.0) (2026-09-03)
+
+
+### Features
+
+* upgrade to Rust 1.98.0 ([#39](https://github.com/iExecBlockchainComputing/tee-worker-compute-rust/issues/39)) ([96b3208](https://github.com/iExecBlockchainComputing/tee-worker-compute-rust/commit/96b32085b57a2273a832c56514a48fa2557ad8ca))
+
+
+### Bug Fixes
+
+* **post-compute:** enforce result encryption key length at compile time ([#36](https://github.com/iExecBlockchainComputing/tee-worker-compute-rust/issues/36)) ([8a5b7f9](https://github.com/iExecBlockchainComputing/tee-worker-compute-rust/commit/8a5b7f921b6d3f786f8809b835cfe64740239ec7))
+
 ## [0.3.1](https://github.com/iExecBlockchainComputing/tee-worker-compute-rust/compare/tee-worker-post-compute-v0.3.0...tee-worker-post-compute-v0.3.1) (2026-06-04)
 
 
diff --git a/post-compute/Cargo.toml b/post-compute/Cargo.toml
index ae03767..786d5a5 100644
--- a/post-compute/Cargo.toml
+++ b/post-compute/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "tee-worker-post-compute"
-version = "0.3.1"
+version = "0.4.0"
 edition = "2024"
 
 [[bin]]