diff --git a/Dockerfile b/Dockerfile
index 8d229dba56..f4b2da66c8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -145,7 +145,7 @@ ARG POWERSHELL_VERSION=7.5.0
 ARG KUBECTL_VERSION=1.36.2
 ARG HELM_VERSION=3.21.4
 # NOTE: If changing, also change go version in workspace dependencies template at WorkspaceDependenciesEditor.svelte
-ARG GO_VERSION=1.26.8
+ARG GO_VERSION=1.27.1
 ARG APP=/usr/src/app
 ARG WITH_POWERSHELL=true
 ARG WITH_KUBECTL=true
diff --git a/backend/windmill-common/src/workspace_dependencies.rs b/backend/windmill-common/src/workspace_dependencies.rs
index 5ce5ca7f68..bc964c4286 100644
--- a/backend/windmill-common/src/workspace_dependencies.rs
+++ b/backend/windmill-common/src/workspace_dependencies.rs
@@ -510,7 +510,7 @@ impl WorkspaceDependenciesPrefetched {
         //                 external.get(0).map(|wd| dbg!(wd.content.clone())).or(Some(
         //                     "
         // module mymod
-        // go 1.26
+        // go 1.27
         // require ()
         //                         "
         //                     .to_owned(),
diff --git a/docker/DockerfileExtra b/docker/DockerfileExtra
index 8aa24206a4..ace382528b 100644
--- a/docker/DockerfileExtra
+++ b/docker/DockerfileExtra
@@ -44,9 +44,9 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 RUN set -eux; \
     arch="$(dpkg --print-architecture)"; arch="${arch##*-}"; \
     case "$arch" in \
-    'amd64') targz='go1.26.0.linux-amd64.tar.gz' ;; \
-    'arm64') targz='go1.26.0.linux-arm64.tar.gz' ;; \
-    'armhf') targz='go1.26.0.linux-armv6l.tar.gz' ;; \
+    'amd64') targz='go1.27.1.linux-amd64.tar.gz' ;; \
+    'arm64') targz='go1.27.1.linux-arm64.tar.gz' ;; \
+    'armhf') targz='go1.27.1.linux-armv6l.tar.gz' ;; \
     *) echo >&2 "error: unsupported architecture '$arch'"; exit 1 ;; \
     esac; \
     wget "https://golang.org/dl/$targz" -nv && tar -C /usr/local -xzf "$targz" && rm "$targz"
diff --git a/docker/entrypoint-extra.sh b/docker/entrypoint-extra.sh
index 84b337a8a1..c7d04c33e0 100644
--- a/docker/entrypoint-extra.sh
+++ b/docker/entrypoint-extra.sh
@@ -134,7 +134,7 @@ fi
 # Setup Monaco temp directory for LSP
 mkdir -p /tmp/monaco
 if [ ! -f /tmp/monaco/go.mod ]; then
-    echo -e "module mymod\ngo 1.26" > /tmp/monaco/go.mod
+    echo -e "module mymod\ngo 1.27" > /tmp/monaco/go.mod
 fi
 
 echo "[entrypoint] Starting Windmill Extra Services"
diff --git a/frontend/src/lib/components/WorkspaceDependenciesEditor.svelte b/frontend/src/lib/components/WorkspaceDependenciesEditor.svelte
index 7bc0351c82..2d5d8a62ce 100644
--- a/frontend/src/lib/components/WorkspaceDependenciesEditor.svelte
+++ b/frontend/src/lib/components/WorkspaceDependenciesEditor.svelte
@@ -154,7 +154,7 @@ numpy>=1.24.0
 
 		// 		go: `module mymod
 
-		// go 1.26
+		// go 1.27
 
 		// require (
 		// 	rsc.io/quote v1.5.2
diff --git a/lsp/pyls_launcher.py b/lsp/pyls_launcher.py
index 9feec0033a..9e522d8ce5 100644
--- a/lsp/pyls_launcher.py
+++ b/lsp/pyls_launcher.py
@@ -194,7 +194,7 @@ if __name__ == "__main__":
     go_mod_path = os.path.join(monaco_path, "go.mod")
     if not os.path.exists(go_mod_path):
         f = open(go_mod_path, "w")
-        f.write("module mymod\ngo 1.26")
+        f.write("module mymod\ngo 1.27")
         f.close()
 
     # Sync instance-level ruff config into /tmp/monaco/ruff.toml so every