diff --git a/extra/python-flit-core/checksums b/extra/python-flit-core/checksums
index 93a5d196..48f015d9 100644
--- a/extra/python-flit-core/checksums
+++ b/extra/python-flit-core/checksums
@@ -1 +1 @@
-a14e806578da1abff5ef9b5a31e948e3e74391e171e4b8a70acd4dc5348aa2f83e
+f76bccf9748940e4d468c18bcf4ae6ccb201500c89de0b523d4df40e376a852c99
diff --git a/extra/python-flit-core/sources b/extra/python-flit-core/sources
index 9aa15bdb..10afb00c 100644
--- a/extra/python-flit-core/sources
+++ b/extra/python-flit-core/sources
@@ -1 +1 @@
-https://files.pythonhosted.org/packages/source/f/flit/flit-3.9.0.tar.gz
+https://files.pythonhosted.org/packages/source/f/flit/flit-3.10.1.tar.gz
diff --git a/extra/python-flit-core/version b/extra/python-flit-core/version
index 9f03147b..35e3db04 100644
--- a/extra/python-flit-core/version
+++ b/extra/python-flit-core/version
@@ -1 +1 @@
-3.9.0 2
+3.10.1 1