diff --git a/requirements-dev.txt b/requirements-dev.txt
index 2634433..01e605a 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,4 +1,4 @@
-mypy==1.8.0
-pre-commit==3.3.3
-pytest==7.3.2
-types-PyYAML==6.0.12.12
+mypy==1.9.0
+pre-commit==3.6.2
+pytest==8.1.1
+types-PyYAML==6.0.12.20240311
diff --git a/requirements.txt b/requirements.txt
index 79d6cf4..fa18f1d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-fonttools==4.43.0
+fonttools==4.50.0
 fontmake==3.8.1
 git+https://github.com/googlefonts/fontra.git
 git+https://github.com/googlefonts/fontra-rcjk.git