diff --git a/.github/workflows/CI-JS-older.yml b/.github/workflows/CI-JS-older.yml
index c366b6a2..52dfd303 100644
--- a/.github/workflows/CI-JS-older.yml
+++ b/.github/workflows/CI-JS-older.yml
@@ -13,9 +13,7 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.6'
-          - '1.7'
-          - '1.8'
+          - '1.9'
         os:
           - ubuntu-latest
           - macOS-latest
diff --git a/Project.toml b/Project.toml
index 6da3ce45..7e78eab2 100644
--- a/Project.toml
+++ b/Project.toml
@@ -39,7 +39,7 @@ Statistics = "1"
 Suppressor = "0.2"
 TensorOperations = "^4.0.5"
 Test = "1"
-julia = "^1.6"
+julia = "^1.9"
 libcint_jll = "5"
 
 [extras]