diff --git a/Doc/docs-requirements.txt b/Doc/docs-requirements.txt
index 5016e3407..f3c673a3a 100644
--- a/Doc/docs-requirements.txt
+++ b/Doc/docs-requirements.txt
@@ -1,4 +1,4 @@
-sphinx==4.3.2
+sphinx==5.0.1
 sphinx_rtd_theme==1.0.0
-reportlab==3.6.5
-freetype-py==2.2.0
+reportlab==3.6.10
+freetype-py==2.3.0
diff --git a/requirements.txt b/requirements.txt
index 008bc8c56..1967527b3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,13 +3,14 @@
 brotli==1.0.9; platform_python_implementation != "PyPy"
 brotlicffi==1.0.9.2; platform_python_implementation == "PyPy"
 unicodedata2==14.0.0; python_version < '3.11'
-scipy==1.7.3; platform_python_implementation != "PyPy"
+scipy==1.7.3; platform_python_implementation != "PyPy" and python_version <= '3.7'
+scipy==1.8.1; platform_python_implementation != "PyPy" and python_version > '3.7'
 munkres==1.1.4; platform_python_implementation == "PyPy"
-zopfli==0.1.9
-fs==2.4.14
+zopfli==0.2.1
+fs==2.4.16
 skia-pathops==0.7.2; platform_python_implementation != "PyPy"
 # this is only required to run Tests/cu2qu/{ufo,cli}_test.py
-ufoLib2==0.13.0
-pyobjc==8.1; sys_platform == "darwin"
-freetype-py==2.2.0
-uharfbuzz==0.24.1
+ufoLib2==0.13.1
+pyobjc==8.5; sys_platform == "darwin"
+freetype-py==2.3.0
+uharfbuzz==0.26.0