diff --git a/requirements-dev.in b/requirements-dev.in
index 6507c100..f1199935 100644
--- a/requirements-dev.in
+++ b/requirements-dev.in
@@ -218,7 +218,7 @@ mock==5.2.0
     # via
     #   -c requirements.txt
     #   mozanalysis
-more-itertools==10.6.0
+more-itertools==10.7.0
     # via
     #   jaraco-classes
     #   jaraco-functools
diff --git a/requirements-dev.txt b/requirements-dev.txt
index ec03616e..57fef9ab 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -937,9 +937,9 @@ mock==5.2.0 \
     --hash=sha256:4e460e818629b4b173f32d08bf30d3af8123afbb8e04bb5707a1fd4799e503f0 \
     --hash=sha256:7ba87f72ca0e915175596069dbbcc7c75af7b5e9b9bc107ad6349ede0819982f
     # via -r requirements-dev.in
-more-itertools==10.6.0 \
-    --hash=sha256:2cd7fad1009c31cc9fb6a035108509e6547547a7a738374f10bd49a09eb3ee3b \
-    --hash=sha256:6eb054cb4b6db1473f6e15fcc676a08e4732548acd47c708f0e179c2c7c01e89
+more-itertools==10.7.0 \
+    --hash=sha256:9fddd5403be01a94b204faadcff459ec3568cf110265d3c54323e1e866ad29d3 \
+    --hash=sha256:d43980384673cb07d2f7d2d918c616b30c659c089ee23953f601d6609c67510e
     # via
     #   -r requirements-dev.in
     #   jaraco-classes