diff --git a/CHANGELOG.md b/CHANGELOG.md
index 18e95bd..ac6c67d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 0.21.4 (Unreleased)
+
+BUG FIXES:
+
+When building NGINX from source, the original source FTP repository `ftp.pcre.org` is not available anymore, according to <http://pcre.org>. The FTP repository has been updated to use `ftp.exim.org` instead.
+
 ## 0.21.3 (October 25, 2021)
 
 ENHANCEMENTS:
diff --git a/tasks/opensource/install-source.yml b/tasks/opensource/install-source.yml
index f8aae2f..a50d768 100644
--- a/tasks/opensource/install-source.yml
+++ b/tasks/opensource/install-source.yml
@@ -127,7 +127,7 @@
   block:
     - name: Download PCRE dependency
       get_url:
-        url: "https://ftp.pcre.org/pub/pcre/{{ pcre_version }}.tar.gz"
+        url: "https://ftp.exim.org/pub/pcre/{{ pcre_version }}.tar.gz"
         dest: "/tmp/{{ pcre_version }}.tar.gz"
         mode: 0600
       register: pcre_source