diff --git a/bindep.txt b/bindep.txt
index 7487cc7886..907a25f479 100644
--- a/bindep.txt
+++ b/bindep.txt
@@ -50,8 +50,8 @@ sqlite-devel [platform:rpm test]
 texlive [pdf-docs]
 texlive-latex-recommended [pdf-docs]
 texlive-xetex [pdf-docs]
-libpcre3-dev [platform:dpkg doc]
-pcre-devel [platform:rpm doc]
+libpcre2-dev [platform:dpkg doc]
+pcre2-devel [platform:rpm doc]
 # Nova uses lsscsi via os-brick. Due to bindep usage in devstack and
 # elsewhere, we add it here to make sure it is picked up and available at
 # runtime and in unit tests. Net result is the same that lsscsi will be
diff --git a/doc/requirements.txt b/doc/requirements.txt
index 4bdd53eae0..9815ddae7c 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -8,7 +8,7 @@ openstackdocstheme>=2.2.0 # Apache-2.0
 reno>=3.1.0 # Apache-2.0
 
 # redirect tests in docs
-whereto>=0.3.0 # Apache-2.0
+whereto>=0.5.0 # Apache-2.0
 
 # needed to generate osprofiler config options
 osprofiler>=1.4.0 # Apache-2.0