diff --git a/playbooks/proposal/propose_update.sh b/playbooks/proposal/propose_update.sh
index ae5a8d0fca..79be07d4ac 100755
--- a/playbooks/proposal/propose_update.sh
+++ b/playbooks/proposal/propose_update.sh
@@ -36,7 +36,7 @@ elif [ "$OWN_PROJECT" == "requirements-constraints" ] ; then
     VENV=$(readlink -f .tox/venv)
     $VENV/bin/pip install -e .
     function update {
-        $VENV/bin/generate-constraints -b blacklist.txt -p /usr/bin/python3.10 \
+        $VENV/bin/generate-constraints -d denylist.txt -p /usr/bin/python3.10 \
             --version-map 3.10:3.9 \
             -r global-requirements.txt > $1/upper-constraints.txt
     }
diff --git a/roles/copy-wheels/files/wheel-copy.sh b/roles/copy-wheels/files/wheel-copy.sh
index f9ee0fffa0..d362afdeeb 100755
--- a/roles/copy-wheels/files/wheel-copy.sh
+++ b/roles/copy-wheels/files/wheel-copy.sh
@@ -4,7 +4,7 @@
 WHEELHOUSE_DIR=$1
 MIRROR_ROOT=$2
 
-# Pre-filter any blacklisted package name patterns
+# Pre-filter any denylisted package name patterns
 find "$WHEELHOUSE_DIR/" '(' \
     -name "pip-*-none-any.whl" -o \
     -name "setuptools-*-none-any.whl" -o \
diff --git a/tools/zuul-projects-checks.py b/tools/zuul-projects-checks.py
index 5f3482b4c7..b68aeba3a7 100755
--- a/tools/zuul-projects-checks.py
+++ b/tools/zuul-projects-checks.py
@@ -83,11 +83,11 @@ def check_release_jobs():
     return errors
 
 
-def blacklist_jobs():
+def denylist_jobs():
     """Check that certain jobs and templates are *not* used."""
 
     # Currently only handles templates
-    blacklist_templates = [
+    denylist_templates = [
         'system-required'
     ]
 
@@ -103,7 +103,7 @@ def blacklist_jobs():
         if name.startswith("^(airship|"):
             continue
         found = [tmpl for tmpl in project.get('templates', [])
-                 if tmpl in blacklist_templates]
+                 if tmpl in denylist_templates]
         if found:
             errors = True
             print("  ERROR: Found obsolete template for %s:" % name)
@@ -193,7 +193,7 @@ def check_only_boilerplate():
 def check_all():
 
     errors = check_projects_sorted()
-    errors = blacklist_jobs() or errors
+    errors = denylist_jobs() or errors
     errors = check_release_jobs() or errors
     errors = check_voting() or errors
     errors = check_only_boilerplate() or errors