diff --git a/etc/kayobe/containers/squid_proxy/squid.conf b/etc/kayobe/containers/squid_proxy/squid.conf
index 930e12736..565fa7e53 100644
--- a/etc/kayobe/containers/squid_proxy/squid.conf
+++ b/etc/kayobe/containers/squid_proxy/squid.conf
@@ -77,3 +77,7 @@ refresh_pattern ^ftp:		1440	20%	10080
 refresh_pattern ^gopher:	1440	0%	1440
 refresh_pattern -i (/cgi-bin/|\?) 0	0%	0
 refresh_pattern .		0	20%	4320
+
+# Disable connections over IPv6
+# https://ramesh-sahoo.medium.com/squid-proxy-server-has-stopped-handling-connection-resulting-in-none-503-0-connect-errors-55477316850a
+dns_v4_first on
diff --git a/releasenotes/notes/fix-squid-issue-11b5f03719ab8b45.yaml b/releasenotes/notes/fix-squid-issue-11b5f03719ab8b45.yaml
new file mode 100644
index 000000000..458b1da65
--- /dev/null
+++ b/releasenotes/notes/fix-squid-issue-11b5f03719ab8b45.yaml
@@ -0,0 +1,5 @@
+---
+fixes:
+  - |
+    Fixes an issue where Squid proxy could be unable to reach external servers
+    due to a preference of choosing IPv6 connectivity by default.