diff --git a/ci/requirements/environment-windows.yml b/ci/requirements/environment-windows.yml
index c65557e5803..e42c01c6106 100644
--- a/ci/requirements/environment-windows.yml
+++ b/ci/requirements/environment-windows.yml
@@ -44,4 +44,4 @@ dependencies:
   - pip:
     - numbagg
     - numpy_groupies
-    - git+https://github.com:dcherian/dask_groupby.git
+    - git+https://github.com/dcherian/dask_groupby.git
diff --git a/ci/requirements/environment.yml b/ci/requirements/environment.yml
index cd88d26c8c6..5892f2bf108 100644
--- a/ci/requirements/environment.yml
+++ b/ci/requirements/environment.yml
@@ -48,4 +48,4 @@ dependencies:
   - pip:
     - numbagg
     - numpy_groupies
-    - git+https://github.com:dcherian/dask_groupby.git
+    - git+https://github.com/dcherian/dask_groupby.git