diff --git a/requirements/jupyter.txt b/requirements/jupyter.txt
index d4313378..7364b363 100644
--- a/requirements/jupyter.txt
+++ b/requirements/jupyter.txt
@@ -9,7 +9,9 @@
 # python ~/local/tools/supported_python_versions_pip.py ipython_genutils
 
 
-nbconvert>=6.0.0;                              python_version >= '3.6.0'   # Python 3.6+
+nbconvert>=6.0.0;  python_version >= '3.6.0' and platform_python_implementation != "PyPy"  # Python 3.6+
+# For nbconvert
+jinja2>=3.0.0   ; python_version >= '3.6' and platform_python_implementation != "PyPy"  # Python 3.6+
 
 
 jupyter_client>=7.0.0     ;                              python_version >= '3.6.1'  # Python 3.6.1+
@@ -36,13 +38,10 @@ debugpy>=1.0.0     ; python_version < '3.7' and python_version >= '3.6'    # Pyt
 ipython_genutils >= 0.2.0 ;                            python_version >= '3.10'    # Python 3.10+
 
 
-
 # For IPython
 jedi>=0.16  ; python_version >= '3.6'    # Python 3.6+
 
 
-# For nbconvert
-jinja2>=3.0.0   ; python_version >= '3.6'    # Python 3.6+
 attrs>=19.2.0   ; python_version >= '3.6'    # Python 3.6+