diff --git a/artifact-post-action/compute-risk-and-residual/Makefile b/artifact-post-action/compute-risk-and-residual/Makefile
index b5a39c2..77a752f 100644
--- a/artifact-post-action/compute-risk-and-residual/Makefile
+++ b/artifact-post-action/compute-risk-and-residual/Makefile
@@ -10,4 +10,4 @@ tests:
 
 .PHONY: build
 build:
-	cargo build --target wasm32-wasi --release
+	cargo build --target wasm32-wasip1 --release
diff --git a/artifact-post-action/compute-risk-and-residual/README.md b/artifact-post-action/compute-risk-and-residual/README.md
index 7a8d906..14b00d4 100644
--- a/artifact-post-action/compute-risk-and-residual/README.md
+++ b/artifact-post-action/compute-risk-and-residual/README.md
@@ -33,5 +33,5 @@ API `PUT /api/artifacts/:id`. For example:
 Then build the function:
 
 ```shell
-cargo build --target wasm32-wasi --release
+cargo build --target wasm32-wasip1 --release
 ```
diff --git a/artifact-post-action/compute-risk-and-residual/shell.nix b/artifact-post-action/compute-risk-and-residual/shell.nix
index b0724d0..bf71966 100644
--- a/artifact-post-action/compute-risk-and-residual/shell.nix
+++ b/artifact-post-action/compute-risk-and-residual/shell.nix
@@ -3,7 +3,7 @@
 pkgs.mkShellNoCC {
   buildInputs = [
     (pkgs.rust-bin.stable.latest.default.override {
-      targets = [ "wasm32-wasi" ];
+      targets = [ "wasm32-wasip1" ];
       extensions = [ "cargo" "rustc" "rust-src" ];
     })
     pkgs.gnumake
diff --git a/artifact-post-action/compute-risk/Makefile b/artifact-post-action/compute-risk/Makefile
index b5a39c2..77a752f 100644
--- a/artifact-post-action/compute-risk/Makefile
+++ b/artifact-post-action/compute-risk/Makefile
@@ -10,4 +10,4 @@ tests:
 
 .PHONY: build
 build:
-	cargo build --target wasm32-wasi --release
+	cargo build --target wasm32-wasip1 --release
diff --git a/artifact-post-action/compute-risk/README.md b/artifact-post-action/compute-risk/README.md
index 460e51e..feab820 100644
--- a/artifact-post-action/compute-risk/README.md
+++ b/artifact-post-action/compute-risk/README.md
@@ -44,10 +44,10 @@ use the module as is, in any Tracker with following constraints:
 Then build the function:
 
 ```shell
-cargo build --target wasm32-wasi --release
+cargo build --target wasm32-wasip1 --release
 ```
 
-Then upload the binary result file (`target/wasm32-wasi/release/post-action-compute-risk.wasm`) to your Tracker
+Then upload the binary result file (`target/wasm32-wasip1/release/post-action-compute-risk.wasm`) to your Tracker
 administration (Administration > Workflow > Tuleap Functions).
 
 And finally, update an artifact, shortly after the creation, it will be automatically updated with computed risk.
\ No newline at end of file
diff --git a/artifact-post-action/compute-risk/shell.nix b/artifact-post-action/compute-risk/shell.nix
index 30005f9..0505944 100644
--- a/artifact-post-action/compute-risk/shell.nix
+++ b/artifact-post-action/compute-risk/shell.nix
@@ -3,7 +3,7 @@
 pkgs.mkShellNoCC {
   buildInputs = [
     (pkgs.rust-bin.stable.latest.default.override {
-      targets = [ "wasm32-wasi" ];
+      targets = [ "wasm32-wasip1" ];
       extensions = [ "cargo" "rustc" "rust-src" ];
     })
     pkgs.gnumake
diff --git a/artifact-post-action/post-action-add-comment/Makefile b/artifact-post-action/post-action-add-comment/Makefile
index e46900e..4290d5a 100644
--- a/artifact-post-action/post-action-add-comment/Makefile
+++ b/artifact-post-action/post-action-add-comment/Makefile
@@ -10,4 +10,4 @@ tests:
 
 .PHONY: build
 build:
-	cargo build --target wasm32-wasi --release
+	cargo build --target wasm32-wasip1 --release
diff --git a/artifact-post-action/post-action-add-comment/README.md b/artifact-post-action/post-action-add-comment/README.md
index 7a8b6ff..bea67ad 100644
--- a/artifact-post-action/post-action-add-comment/README.md
+++ b/artifact-post-action/post-action-add-comment/README.md
@@ -348,12 +348,12 @@ API `PUT /api/artifacts/:id`. For example:
 If you want to use it for your Tracker, you first need to build it:
 
 ```shell
-cargo build --target wasm32-wasi --release
+cargo build --target wasm32-wasip1 --release
 ```
 
 ### On Tuleap side
 
-Then upload the binary result file (`target/wasm32-wasi/release/post-action-add-comment.wasm`) to your Tracker
+Then upload the binary result file (`target/wasm32-wasip1/release/post-action-add-comment.wasm`) to your Tracker
 administration (Administration > Workflow > Tuleap Functions).
 
 In order to make functionnal the Function in your Tracker, you **must** have the following fields: 
diff --git a/artifact-post-action/post-action-add-comment/shell.nix b/artifact-post-action/post-action-add-comment/shell.nix
index 30005f9..0505944 100644
--- a/artifact-post-action/post-action-add-comment/shell.nix
+++ b/artifact-post-action/post-action-add-comment/shell.nix
@@ -3,7 +3,7 @@
 pkgs.mkShellNoCC {
   buildInputs = [
     (pkgs.rust-bin.stable.latest.default.override {
-      targets = [ "wasm32-wasi" ];
+      targets = [ "wasm32-wasip1" ];
       extensions = [ "cargo" "rustc" "rust-src" ];
     })
     pkgs.gnumake
diff --git a/artifact-post-action/tools/nixpkgs-pin.json b/artifact-post-action/tools/nixpkgs-pin.json
index 19d169d..bcd655b 100644
--- a/artifact-post-action/tools/nixpkgs-pin.json
+++ b/artifact-post-action/tools/nixpkgs-pin.json
@@ -1,10 +1,10 @@
 {
   "url": "https://github.com/NixOS/nixpkgs.git",
-  "rev": "5083ec887760adfe12af64830a66807423a859a7",
-  "date": "2024-11-18T11:41:09+11:00",
-  "path": "/nix/store/r2mkdrqip3xx66fv3jdz1w9h020b315z-nixpkgs",
-  "sha256": "0sr45csfh2ff8w7jpnkkgl22aa89sza4jlhs6wq0368dpmklsl8g",
-  "hash": "sha256-D1FNZ70NmQEwNxpSSdTXCSklBH1z2isPR84J6DQrJGs=",
+  "rev": "29335f23bea5e34228349ea739f31ee79e267b88",
+  "date": "2025-04-28T10:45:31+09:00",
+  "path": "/nix/store/a7ik40p47wz5dkl9bfkkng6mh2ibykji-nixpkgs",
+  "sha256": "1j7bn6dicx3xy7pq6dfvz850f8bnvn3iqv7f9szsnh5l0kf0myxz",
+  "hash": "sha256-v/sK3AS0QKu/Tu5sHIfddiEHCvrbNYPv8X10Fpux68g=",
   "fetchLFS": false,
   "fetchSubmodules": false,
   "deepClone": false,
diff --git a/artifact-post-action/tools/oxalica-rust-overlay-pin.json b/artifact-post-action/tools/oxalica-rust-overlay-pin.json
index 400e70e..72307fd 100644
--- a/artifact-post-action/tools/oxalica-rust-overlay-pin.json
+++ b/artifact-post-action/tools/oxalica-rust-overlay-pin.json
@@ -1,10 +1,10 @@
 {
   "url": "https://github.com/oxalica/rust-overlay.git",
-  "rev": "71287228d96e9568e1e70c6bbfa3f992d145947b",
-  "date": "2024-11-19T02:32:07Z",
-  "path": "/nix/store/fhf0hgxpxnr26v2b6b8vb07a3ra2z4zx-rust-overlay",
-  "sha256": "1sg1myrnrfyv7jn5srinrfinvbz8qzly5mmd3rshz9dl0039lh14",
-  "hash": "sha256-JECaBgC0pQ91Hq3W4unH6K9to8s2Zl2sPNu7bLOv4ek=",
+  "rev": "e552fe1b16ffafd678ebe061c22b117e050769ed",
+  "date": "2025-04-29T02:35:13Z",
+  "path": "/nix/store/lx5nn3mqx41fd13c87qbsn42gwi14lvf-rust-overlay",
+  "sha256": "11v5sw1q2aajgz95c75s9352sw2apvc5sbnp6blzychrliqvf4vp",
+  "hash": "sha256-dxO3caQZMv/pMtcuXdi+SnAtyki6HFbSf1IpgQPXZYc=",
   "fetchLFS": false,
   "fetchSubmodules": false,
   "deepClone": false,