diff --git a/poetry.lock b/poetry.lock
index 9d95e70..8085ab5 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -204,13 +204,13 @@ files = [
 
 [[package]]
 name = "more-itertools"
-version = "10.3.0"
+version = "10.4.0"
 description = "More routines for operating on iterables, beyond itertools"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "more-itertools-10.3.0.tar.gz", hash = "sha256:e5d93ef411224fbcef366a6e8ddc4c5781bc6359d43412a65dd5964e46111463"},
-    {file = "more_itertools-10.3.0-py3-none-any.whl", hash = "sha256:ea6a02e24a9161e51faad17a8782b92a0df82c12c1c8886fec7f0c3fa1a1b320"},
+    {file = "more-itertools-10.4.0.tar.gz", hash = "sha256:fe0e63c4ab068eac62410ab05cccca2dc71ec44ba8ef29916a0090df061cf923"},
+    {file = "more_itertools-10.4.0-py3-none-any.whl", hash = "sha256:0f7d9f83a0a8dcfa8a2694a770590d98a67ea943e3d9f5298309a484758c4e27"},
 ]
 
 [[package]]
@@ -417,4 +417,4 @@ dev = ["black (>=19.3b0)", "pytest (>=4.6.2)"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.10"
-content-hash = "1156fe07315850151a8c3eeb2990289a837d973c18211a96676883b430c55aab"
+content-hash = "ed97b51d9501c172897766ccdd2963f93d9ec49240c9dbc3b21a81d36a0aa47b"
diff --git a/pyproject.toml b/pyproject.toml
index e8d6941..0425e98 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ packages = [{include = "search_offsets"}]
 
 [tool.poetry.dependencies]
 python = "^3.10"
-more-itertools = "^10.3.0"
+more-itertools = "^10.4.0"
 peclasses = {version = "^0.4.0", source = "dfint"}
 loguru = "^0.7.2"
 omegaconf = "^2.3.0"