diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a81c571c0c163f2f92d007eaaef448e7e504e672..e960e8643b2d2dcdb7170684ed6c7e32e0bfe3fd 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -31,10 +31,7 @@ workflow:
     - . "$NVM_DIR/nvm.sh"
     - nvm install 10
     - nvm use 10
-    - curl https://sh.rustup.rs -sSf | sh -s -- -y
-    - export PATH="$HOME/.cargo/bin:$PATH"
     - export RUSTFLAGS="-D warnings"
-    - rustup show && rustc --version && cargo --version
 
 
 .cached_nvm: &cached_nvm
@@ -109,6 +106,8 @@ fmt_and_clippy:
     - when: on_success
   stage: quality
   script:
+    - curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
+    - export PATH="$HOME/.cargo/bin:$PATH"
     - cargo fmt -- --version
     - cargo fmt -- --check
     - cargo clippy -- -V
diff --git a/neon/build.sh b/neon/build.sh
index 105a7a50505a175fd1ea8d587f0f768e4483879a..19c59a84fafd06d3a82cc3293aa8dcc981ef1577 100755
--- a/neon/build.sh
+++ b/neon/build.sh
@@ -2,6 +2,23 @@
 
 cd neon
 
+if [ -z "${DUNITER_FAST_BUILD}" ]
+then
+    if [ -e "${HOME}/.cargo/bin/rustup" ]
+    then
+        rustup update stable
+    else
+        curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
+        export PATH="$HOME/.cargo/bin:$PATH"
+    fi
+
+    rustup show
+    rustc --version
+    cargo --version
+else
+    echo "WARNING: you have disabled the automatic update of Rust, remember to update Rust regularly with command \"rustup update\"."
+fi
+
 if [ "${NEON_BUILD_RELEASE}" = "true" ] || [ "${NODE_ENV}" = "production" ]
 then
 	neon build --release
diff --git a/package.json b/package.json
index 654c92e86ec389e66980f2af21ff2294567434eb..22617b1624c4a2c1122bd9b72b994315da222acb 100644
--- a/package.json
+++ b/package.json
@@ -28,9 +28,9 @@
     "tsc": "tsc",
     "tscw": "tsc -w",
     "doc": "typedoc --out typedoc/ index.ts app/ --mode file --readme README.md --includeDeclarations --sourcefile-url-prefix \"https://git.duniter.org/nodes/typescript/duniter/blob/loki/\"",
-    "test": "cargo test --all && nyc --reporter html mocha",
-    "test:rs": "cargo test --all",
-    "test:ts": "nyc --reporter html mocha",
+    "test": "./test/run.sh",
+    "test:rs": "./test/run.sh rs",
+    "test:ts": "./test/run.sh ts",
     "start": "node bin/duniter start",
     "build": "./neon/build.sh && cd.. && tsc && cd \"../node_modules/duniter-ui\" && npm install && npm run build",
     "install": "./neon/build.sh",
diff --git a/test/run.sh b/test/run.sh
new file mode 100755
index 0000000000000000000000000000000000000000..4f22f777415af6717a372c8936e7a2fc7ceacc82
--- /dev/null
+++ b/test/run.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+if [ "${1}" = "rs" ]
+then
+	$HOME/.cargo/bin/cargo test --all
+elif [ "${1}" = "ts" ]
+then
+    nyc --reporter html mocha
+else
+    $HOME/.cargo/bin/cargo test --all && nyc --reporter html mocha
+fi