diff --git a/requirements.txt b/requirements.txt
index 123fefa..e6b76ec 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,14 +22,14 @@ babel==2.17.0
     # via jupyterlab-server
 beautifulsoup4==4.13.5
     # via nbconvert
-bleach==6.2.0
+bleach[css]==6.2.0
     # via nbconvert
 certifi==2025.8.3
     # via
     #   httpcore
     #   httpx
     #   requests
-cffi==1.17.1
+cffi==2.0.0
     # via argon2-cffi-bindings
 charset-normalizer==3.4.3
     # via requests
@@ -103,7 +103,7 @@ json5==0.12.1
     # via jupyterlab-server
 jsonpointer==3.0.0
     # via jsonschema
-jsonschema==4.25.1
+jsonschema[format-nongpl]==4.25.1
     # via
     #   jupyter-events
     #   jupyterlab-server
@@ -261,7 +261,7 @@ pygments==2.19.2
     #   nbconvert
     #   pymor
     #   rich
-pymor==2025.1.1
+pymor[jupyter]==2025.1.1
     # via -r requirements.in
 pyparsing==3.2.3
     # via matplotlib
@@ -310,8 +310,6 @@ scipy==1.16.1
     # via pymor
 send2trash==1.8.3
     # via jupyter-server
-setuptools==80.9.0
-    # via jupyterlab
 shellingham==1.5.4
     # via typer
 six==1.17.0
@@ -367,13 +365,11 @@ types-python-dateutil==2.9.0.20250822
     # via arrow
 typing-extensions==4.15.0
     # via
-    #   anyio
     #   beautifulsoup4
-    #   referencing
     #   typer
 uri-template==1.3.0
     # via jsonschema
-urllib3==2.5.0
+urllib3==2.6.0
     # via requests
 wcwidth==0.2.13
     # via prompt-toolkit