Fix importlib-metadata for flake compatibility
diff --git a/constraints-3.6.txt b/constraints-3.6.txt
index c1f52de..99c0b1f 100644
--- a/constraints-3.6.txt
+++ b/constraints-3.6.txt
@@ -300,7 +300,7 @@
 ijson==3.1.4
 imagesize==1.2.0
 immutables==0.16
-importlib-metadata==4.8.1
+importlib-metadata==4.2.0
 importlib-resources==5.2.2
 inflection==0.5.1
 influxdb-client==1.21.0
diff --git a/constraints-3.7.txt b/constraints-3.7.txt
index 2dba749..7679d10 100644
--- a/constraints-3.7.txt
+++ b/constraints-3.7.txt
@@ -295,7 +295,7 @@
 idna==3.2
 ijson==3.1.4
 imagesize==1.2.0
-importlib-metadata==4.8.1
+importlib-metadata==4.2.0
 importlib-resources==5.2.2
 inflection==0.5.1
 influxdb-client==1.21.0