diff --git a/requirements.txt b/requirements.txt
index 3ad94157..c726369e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
-fonttools[repacker,ufo,unicode,lxml]==4.47.2; platform_python_implementation == 'CPython'
-fonttools[repacker,ufo,unicode]==4.47.2; platform_python_implementation != 'CPython'
+fonttools[repacker,ufo,unicode,lxml]==4.48.1; platform_python_implementation == 'CPython'
+fonttools[repacker,ufo,unicode]==4.48.1; platform_python_implementation != 'CPython'
 glyphsLib==6.6.3
 ufo2ft==3.0.0
 fontMath==0.9.3
diff --git a/setup.py b/setup.py
index 5d97deee..e52baf17 100644
--- a/setup.py
+++ b/setup.py
@@ -31,9 +31,9 @@
 dep_versions = {
     "attrs": ">=19",
     "fontMath": ">=0.9.3",
-    "fonttools": ">=4.47.2",
-    "glyphsLib": ">=6.6.1",
-    "ufo2ft": ">=3.0.0a1",
+    "fonttools": ">=4.48.1",
+    "glyphsLib": ">=6.6.3",
+    "ufo2ft": ">=3.0.0",
     "ufoLib2": ">=0.16.0",
 }