diff --git a/.github/workflows/continuous-integration-conda.yml b/.github/workflows/continuous-integration-conda.yml
index 8c977d0dd..14e33af8d 100644
--- a/.github/workflows/continuous-integration-conda.yml
+++ b/.github/workflows/continuous-integration-conda.yml
@@ -58,10 +58,9 @@ jobs:
           $ErrorActionPreference='silentlycontinue'
           # Install mock on Python 2.7
           conda install mock --freeze-installed
-          # install black if available (Python 3.6 and above), and autopep8 for testing the pipe mode
+          # install black, isort if available (Python 3.6 and above), and autopep8 for testing the pipe mode
           conda install black --freeze-installed
-          # install isort from source
-          pip install git+https://github.com/timothycrosley/isort.git
+          conda install isort>=5.3.0 --freeze-installed
           conda install autopep8 --freeze-installed
           # install sphinx_gallery and matplotlib if available
           conda install sphinx-gallery --freeze-installed
diff --git a/.github/workflows/continuous-integration-pip.yml b/.github/workflows/continuous-integration-pip.yml
index 29ff50bf5..7687629ff 100644
--- a/.github/workflows/continuous-integration-pip.yml
+++ b/.github/workflows/continuous-integration-pip.yml
@@ -19,8 +19,9 @@ jobs:
           python -m pip install --upgrade pip
           pip install -r requirements.txt
           pip install -r requirements-dev.txt
-          # install black if available (Python 3.6 and above), and autopep8 for testing the pipe mode
+          # install black, isort if available (Python 3.6 and above), and autopep8 for testing the pipe mode
           pip install black || true
+          pip install isort>=5.3.0 || true
           pip install autopep8 || true
           # install sphinx_gallery and matplotlib if available (may not work on pypy)
           pip install sphinx_gallery || true
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 6a861c886..49832db4b 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -10,3 +10,5 @@ toml
 
 # Python 2
 pathlib
+
+#isort>=5.3.0 #Python 3.6 and above
diff --git a/tests/utils.py b/tests/utils.py
index b1f7b7994..7471808fc 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -27,7 +27,10 @@ def tool_version(tool):
     not tool_version("jupytext"), reason="jupytext is not installed"
 )
 requires_black = pytest.mark.skipif(not tool_version("black"), reason="black not found")
-requires_isort = pytest.mark.skipif(not tool_version("isort"), reason="isort not found")
+requires_isort = pytest.mark.skipif(
+    not tool_version("isort") or tool_version("isort") <= "5.3.0",
+    reason="isort not found",
+)
 requires_flake8 = pytest.mark.skipif(
     not tool_version("flake8"), reason="flake8 not found"
 )