diff --git a/v3/internal/templates/_base/default/go.mod.tmpl b/v3/internal/templates/_base/default/go.mod.tmpl
index a05b62ce6..4fb0017bc 100644
--- a/v3/internal/templates/_base/default/go.mod.tmpl
+++ b/v3/internal/templates/_base/default/go.mod.tmpl
@@ -1,6 +1,6 @@
 module changeme
 
-go 1.19
+go 1.21
 
 require github.com/wailsapp/wails/v3 v3.0.0-alpha.0
 
diff --git a/v3/internal/templates/lit-ts/go.mod.tmpl b/v3/internal/templates/lit-ts/go.mod.tmpl
index a05b62ce6..4fb0017bc 100644
--- a/v3/internal/templates/lit-ts/go.mod.tmpl
+++ b/v3/internal/templates/lit-ts/go.mod.tmpl
@@ -1,6 +1,6 @@
 module changeme
 
-go 1.19
+go 1.21
 
 require github.com/wailsapp/wails/v3 v3.0.0-alpha.0
 
diff --git a/v3/internal/templates/lit/go.mod.tmpl b/v3/internal/templates/lit/go.mod.tmpl
index a05b62ce6..4fb0017bc 100644
--- a/v3/internal/templates/lit/go.mod.tmpl
+++ b/v3/internal/templates/lit/go.mod.tmpl
@@ -1,6 +1,6 @@
 module changeme
 
-go 1.19
+go 1.21
 
 require github.com/wailsapp/wails/v3 v3.0.0-alpha.0
 
diff --git a/v3/internal/templates/preact-ts/go.mod.tmpl b/v3/internal/templates/preact-ts/go.mod.tmpl
index a05b62ce6..4fb0017bc 100644
--- a/v3/internal/templates/preact-ts/go.mod.tmpl
+++ b/v3/internal/templates/preact-ts/go.mod.tmpl
@@ -1,6 +1,6 @@
 module changeme
 
-go 1.19
+go 1.21
 
 require github.com/wailsapp/wails/v3 v3.0.0-alpha.0
 
diff --git a/v3/internal/templates/preact/go.mod.tmpl b/v3/internal/templates/preact/go.mod.tmpl
index bc1cc31ea..3883674e9 100644
--- a/v3/internal/templates/preact/go.mod.tmpl
+++ b/v3/internal/templates/preact/go.mod.tmpl
@@ -1,6 +1,6 @@
 module changeme
 
-go 1.19
+go 1.21
 
 require github.com/wailsapp/wails/v3 v3.0.0-alpha.0
 
diff --git a/v3/internal/templates/react-swc-ts/go.mod.tmpl b/v3/internal/templates/react-swc-ts/go.mod.tmpl
index a05b62ce6..4fb0017bc 100644
--- a/v3/internal/templates/react-swc-ts/go.mod.tmpl
+++ b/v3/internal/templates/react-swc-ts/go.mod.tmpl
@@ -1,6 +1,6 @@
 module changeme
 
-go 1.19
+go 1.21
 
 require github.com/wailsapp/wails/v3 v3.0.0-alpha.0
 
diff --git a/v3/internal/templates/react-swc/go.mod.tmpl b/v3/internal/templates/react-swc/go.mod.tmpl
index a05b62ce6..4fb0017bc 100644
--- a/v3/internal/templates/react-swc/go.mod.tmpl
+++ b/v3/internal/templates/react-swc/go.mod.tmpl
@@ -1,6 +1,6 @@
 module changeme
 
-go 1.19
+go 1.21
 
 require github.com/wailsapp/wails/v3 v3.0.0-alpha.0
 
diff --git a/v3/internal/templates/react-ts/go.mod.tmpl b/v3/internal/templates/react-ts/go.mod.tmpl
index a05b62ce6..4fb0017bc 100644
--- a/v3/internal/templates/react-ts/go.mod.tmpl
+++ b/v3/internal/templates/react-ts/go.mod.tmpl
@@ -1,6 +1,6 @@
 module changeme
 
-go 1.19
+go 1.21
 
 require github.com/wailsapp/wails/v3 v3.0.0-alpha.0
 
diff --git a/v3/internal/templates/react/go.mod.tmpl b/v3/internal/templates/react/go.mod.tmpl
index a05b62ce6..4fb0017bc 100644
--- a/v3/internal/templates/react/go.mod.tmpl
+++ b/v3/internal/templates/react/go.mod.tmpl
@@ -1,6 +1,6 @@
 module changeme
 
-go 1.19
+go 1.21
 
 require github.com/wailsapp/wails/v3 v3.0.0-alpha.0
 
diff --git a/v3/internal/templates/svelte-ts/go.mod.tmpl b/v3/internal/templates/svelte-ts/go.mod.tmpl
index a05b62ce6..4fb0017bc 100644
--- a/v3/internal/templates/svelte-ts/go.mod.tmpl
+++ b/v3/internal/templates/svelte-ts/go.mod.tmpl
@@ -1,6 +1,6 @@
 module changeme
 
-go 1.19
+go 1.21
 
 require github.com/wailsapp/wails/v3 v3.0.0-alpha.0
 
diff --git a/v3/internal/templates/svelte/go.mod.tmpl b/v3/internal/templates/svelte/go.mod.tmpl
index a05b62ce6..4fb0017bc 100644
--- a/v3/internal/templates/svelte/go.mod.tmpl
+++ b/v3/internal/templates/svelte/go.mod.tmpl
@@ -1,6 +1,6 @@
 module changeme
 
-go 1.19
+go 1.21
 
 require github.com/wailsapp/wails/v3 v3.0.0-alpha.0
 
diff --git a/v3/internal/templates/vanilla-ts/go.mod.tmpl b/v3/internal/templates/vanilla-ts/go.mod.tmpl
index a05b62ce6..4fb0017bc 100644
--- a/v3/internal/templates/vanilla-ts/go.mod.tmpl
+++ b/v3/internal/templates/vanilla-ts/go.mod.tmpl
@@ -1,6 +1,6 @@
 module changeme
 
-go 1.19
+go 1.21
 
 require github.com/wailsapp/wails/v3 v3.0.0-alpha.0
 
diff --git a/v3/internal/templates/vanilla/go.mod.tmpl b/v3/internal/templates/vanilla/go.mod.tmpl
index a05b62ce6..4fb0017bc 100644
--- a/v3/internal/templates/vanilla/go.mod.tmpl
+++ b/v3/internal/templates/vanilla/go.mod.tmpl
@@ -1,6 +1,6 @@
 module changeme
 
-go 1.19
+go 1.21
 
 require github.com/wailsapp/wails/v3 v3.0.0-alpha.0
 
diff --git a/v3/internal/templates/vue-ts/go.mod.tmpl b/v3/internal/templates/vue-ts/go.mod.tmpl
index a05b62ce6..4fb0017bc 100644
--- a/v3/internal/templates/vue-ts/go.mod.tmpl
+++ b/v3/internal/templates/vue-ts/go.mod.tmpl
@@ -1,6 +1,6 @@
 module changeme
 
-go 1.19
+go 1.21
 
 require github.com/wailsapp/wails/v3 v3.0.0-alpha.0
 
diff --git a/v3/internal/templates/vue/go.mod.tmpl b/v3/internal/templates/vue/go.mod.tmpl
index a05b62ce6..4fb0017bc 100644
--- a/v3/internal/templates/vue/go.mod.tmpl
+++ b/v3/internal/templates/vue/go.mod.tmpl
@@ -1,6 +1,6 @@
 module changeme
 
-go 1.19
+go 1.21
 
 require github.com/wailsapp/wails/v3 v3.0.0-alpha.0