diff --git a/nix/build-all.py b/nix/build-all.py
index cf86b97cfe..2da7740f67 100644
--- a/nix/build-all.py
+++ b/nix/build-all.py
@@ -76,7 +76,7 @@ JSON_VERSION = "v3.6.1"
 OCE_VERSION = "0.18.3"
 OCCT_VERSION = "7.5.3"
 BOOST_VERSION = "1.71.0"
-PCRE_VERSION = "8.45"
+PCRE_VERSION = "8.41"
 LIBXML2_VERSION = "2.9.11"
 SWIG_VERSION = "4.0.2"
 OPENCOLLADA_VERSION = "v1.6.68"