diff --git a/Doc/docs-requirements.txt b/Doc/docs-requirements.txt
index c62c8d1e01..72a0a6208a 100644
--- a/Doc/docs-requirements.txt
+++ b/Doc/docs-requirements.txt
@@ -1,3 +1,3 @@
-sphinx==3.3.1
-sphinx_rtd_theme==0.5.0
-reportlab==3.5.55
+sphinx==4.2.0
+sphinx_rtd_theme==1.0.0
+reportlab==3.6.2
diff --git a/requirements.txt b/requirements.txt
index 680ffbb576..8c983603b7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,11 +3,11 @@
 brotli==1.0.9; platform_python_implementation != "PyPy"
 brotlipy==0.7.0; platform_python_implementation == "PyPy"
 unicodedata2==13.0.0.post2; python_version < '3.9' and platform_python_implementation != "PyPy"
-scipy==1.5.4; platform_python_implementation != "PyPy"
+scipy==1.7.1; platform_python_implementation != "PyPy"
 munkres==1.1.4; platform_python_implementation == "PyPy"
-zopfli==0.1.6
-fs==2.4.11
-skia-pathops==0.5.1.post1; platform_python_implementation != "PyPy"
+zopfli==0.1.8
+fs==2.4.13
+skia-pathops==0.7.1; platform_python_implementation != "PyPy"
 # this is only required to run Tests/cu2qu/{ufo,cli}_test.py
-ufoLib2==0.6.2
-pyobjc==6.2.2; sys_platform == "darwin"
+ufoLib2==0.11.4
+pyobjc==7.3; sys_platform == "darwin"