diff --git a/requirements.in b/requirements.in
index 2d938e1..972f42e 100644
--- a/requirements.in
+++ b/requirements.in
@@ -47,7 +47,7 @@
 WebOb
 werkzeug
 wrapt
-
+importlib-metadata<5.0
 # testing
 datadiff
 mock
diff --git a/requirements.txt b/requirements.txt
index 840326b..0c31f4d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -64,7 +64,9 @@
 idna==3.3
     # via requests
 importlib-metadata==4.12.0
-    # via markdown
+    # via
+    #   -r requirements.in
+    #   markdown
 inflection==0.5.1
     # via profanityfilter
 iso8601==1.0.2