diff --git a/mu/wheels/__init__.py b/mu/wheels/__init__.py
index 04ade7048..e5cba963d 100644
--- a/mu/wheels/__init__.py
+++ b/mu/wheels/__init__.py
@@ -45,6 +45,11 @@ class WheelsBuildError(WheelsError):
     # FIXME: ipykernel max ver added for macOS 10.13 compatibility, min taken
     # from qtconsole 4.7.7. This is mirrored in setup.py
     ("ipykernel", "ipykernel>=4.1,<6"),
+    # FIXME: ipykernel<6 depends on ipython_genutils, but it isn't explicitly
+    # declared as a dependency. It also depends on traitlets, which
+    # incidentally brought ipython_genutils, but in v5.1 it was dropped, so as
+    # a workaround we need to manually specify it here
+    ("ipython_genutils", "ipython_genutils>=0.2.0"),
     ("esptool", "esptool==3.*"),
 ]
 
diff --git a/setup.py b/setup.py
index a365ec2fc..93f99b1fb 100644
--- a/setup.py
+++ b/setup.py
@@ -38,6 +38,11 @@
     # qtconsole 4.7.7. Full line can be removed after Mu v1.1 release.
     # Dependency mirrored for user venv in mu/wheels/__init__.py
     "ipykernel>=4.1,<6",
+    # FIXME: ipykernel<6 depends on ipython_genutils, but it isn't explicitly
+    # declared as a dependency. It also depends on traitlets, which
+    # incidentally brought ipython_genutils, but in v5.1 it was dropped, so as
+    # a workaround we need to manually specify it here.
+    "ipython_genutils>=0.2.0",
     "qtconsole==4.7.7",
     #
     # adafruit-board-toolkit is used to find serial ports and help identify