diff --git a/Jenkinsfile b/Jenkinsfile
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -28,7 +28,7 @@ node {
         def virtualenvscript = """$createvirtualenv
             $activatevirtualenv
             python -m pip install --upgrade pip
-            pip install --upgrade setuptools
+            pip install --upgrade "setuptools<67"
             pip install --upgrade pylint
             pip install --upgrade pytest-cov
             """
diff --git a/docs/contributing.rst b/docs/contributing.rst
--- a/docs/contributing.rst
+++ b/docs/contributing.rst
@@ -33,7 +33,7 @@ bash shell::
         cd kallithea
         python3 -m venv venv
         . venv/bin/activate
-        pip install --upgrade pip setuptools
+        pip install --upgrade pip "setuptools<67"
         pip install --upgrade -e . -r dev_requirements.txt python-ldap python-pam
         kallithea-cli config-create my.ini
         kallithea-cli db-create -c my.ini --user=user --email=user@example.com --password=password --repos=/tmp
diff --git a/docs/installation.rst b/docs/installation.rst
--- a/docs/installation.rst
+++ b/docs/installation.rst
@@ -55,7 +55,7 @@ repository, use the following commands i
         cd kallithea
         python3 -m venv venv
         . venv/bin/activate
-        pip install --upgrade pip setuptools
+        pip install --upgrade pip "setuptools<67"
         pip install --upgrade -e .
         python3 setup.py compile_catalog   # for translation of the UI
 
@@ -98,7 +98,7 @@ An additional benefit of virtualenv is t
   bash shell::
 
     . /srv/kallithea/venv/bin/activate
-    pip install --upgrade pip setuptools
+    pip install --upgrade pip "setuptools<67"
 
 .. note:: You can't use UNIX ``sudo`` to source the ``activate`` script; it
    will "activate" a shell that terminates immediately.
diff --git a/docs/installation_win.rst b/docs/installation_win.rst
--- a/docs/installation_win.rst
+++ b/docs/installation_win.rst
@@ -104,7 +104,7 @@ In a command prompt type (adapting paths
 
   cd C:\Kallithea\Env\Scripts
   activate
-  pip install --upgrade pip setuptools
+  pip install --upgrade pip "setuptools<67"
 
 The prompt will change into "(Env) C:\\Kallithea\\Env\\Scripts" or similar
 (depending of your folder structure). Then type::
diff --git a/docs/installation_win_old.rst b/docs/installation_win_old.rst
--- a/docs/installation_win_old.rst
+++ b/docs/installation_win_old.rst
@@ -170,7 +170,7 @@ In that CMD (loaded with VS2008 PATHs) t
 
   cd C:\Kallithea\Env\Scripts (or similar)
   activate
-  pip install --upgrade pip setuptools
+  pip install --upgrade pip "setuptools<67"
 
 The prompt will change into "(Env) C:\\Kallithea\\Env\\Scripts" or similar
 (depending of your folder structure). Then type::
diff --git a/scripts/dbmigrate-test b/scripts/dbmigrate-test
--- a/scripts/dbmigrate-test
+++ b/scripts/dbmigrate-test
@@ -94,7 +94,7 @@ install_kallithea() {
     (
         cd "$prefix"
         . "$prefix-env/bin/activate"
-        pip install --quiet --upgrade pip setuptools mercurial $EXTRA
+        pip install --quiet --upgrade pip "setuptools<67" mercurial $EXTRA
         pip install --quiet -e .
     )
 }
diff --git a/scripts/validate-commits b/scripts/validate-commits
--- a/scripts/validate-commits
+++ b/scripts/validate-commits
@@ -42,7 +42,7 @@ for rev in $(hg log -r "$revset" -T '{no
     cleanup
     python3 -m venv "$venv"
     source "$venv/bin/activate"
-    pip install --upgrade pip setuptools
+    pip install --upgrade pip "setuptools<67"
     pip install -e . -r dev_requirements.txt python-ldap python-pam
 
     # run-all-cleanup
diff --git a/scripts/validate-minimum-dependency-versions b/scripts/validate-minimum-dependency-versions
--- a/scripts/validate-minimum-dependency-versions
+++ b/scripts/validate-minimum-dependency-versions
@@ -30,7 +30,7 @@ sed 's/>=/==/p' dev_requirements.txt >> 
 
 python3 -m venv "$venv"
 source "$venv/bin/activate"
-pip install --upgrade pip setuptools
+pip install --upgrade pip "setuptools<67"
 pip install -e . -r "$min_requirements" python-ldap python-pam 2> >(tee "$log" >&2)
 
 # Treat any message on stderr as a problem, for the caller to interpret.