diff --git a/.github/workflows/ci.yml b/.github/workflows/CI.yml
similarity index 85%
rename from .github/workflows/ci.yml
rename to .github/workflows/CI.yml
index fc794bf..3d75125 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/CI.yml
@@ -13,7 +13,6 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.6'
           - '1.10'
           - '1'
         os:
@@ -31,16 +30,15 @@ jobs:
         exclude:
             - os: windows-latest
               version:
-                - '1.6'
                 - '1.10'
 
     steps:
-      - uses: actions/checkout@v3
-      - uses: julia-actions/setup-julia@v1
+      - uses: actions/checkout@v4
+      - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
-      - uses: julia-actions/cache@v1
+      - uses: julia-actions/cache@v2
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
         with:
diff --git a/Project.toml b/Project.toml
index 78a07d9..7939d85 100644
--- a/Project.toml
+++ b/Project.toml
@@ -40,7 +40,7 @@ Requires = "0.5, 1"
 Rotations = "1"
 StaticArrays = "0.10, 0.11, 0.12, 1"
 Tar = "1"
-julia = "1.6"
+julia = "1.9"
 
 [extras]
 ColorTypes = "3da002f7-5984-5a60-b8a6-cbb66c0b333f"