diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 42eba2decf32..3e1e7416d405 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -18,7 +18,7 @@ jobs:
           - stable
           - beta
           - nightly
-          - "1.63.0"
+          - "1.64.0"
         conf:
           - { name: "cairo", features: "png,pdf,svg,ps,use_glib,v1_18,freetype,script,xcb,xlib,win32-surface", nightly: "--features 'png,pdf,svg,ps,use_glib,v1_18,freetype,script,xcb,xlib,win32-surface'", test_sys: true }
           - { name: "gdk-pixbuf", features: "v2_42", nightly: "--all-features", test_sys: true }
@@ -100,7 +100,7 @@ jobs:
           - stable
           - beta
           - nightly
-          - "1.63.0"
+          - "1.64.0"
     steps:
       - uses: actions/checkout@v3
       - uses: actions-rs/toolchain@v1
diff --git a/glib/Cargo.toml b/glib/Cargo.toml
index 9b8bae11d75a..5070a0cdc142 100644
--- a/glib/Cargo.toml
+++ b/glib/Cargo.toml
@@ -13,7 +13,7 @@ exclude = [
     "gir-files/*",
 ]
 edition = "2021"
-rust-version = "1.63"
+rust-version = "1.64"
 
 [lib]
 name = "glib"