diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 86615b8..3da737e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.4'  # Min Julia version supported
+          - '1.6'  # Min Julia version supported
           - '1'    # Expands to latest version
         os:
           - ubuntu-latest
diff --git a/Project.toml b/Project.toml
index d97e859..fde30c0 100644
--- a/Project.toml
+++ b/Project.toml
@@ -23,4 +23,4 @@ ImageFiltering = "0.4 - 0.7"
 Images = "0.20 - 0.25"
 Interpolations = "0.10 - 0.14"
 PyPlot = "2.5 - 2.11"
-julia = "1.4"
+julia = "^1.6"