diff --git a/changelog.d/3-bug-fixes/WPB-27405 b/changelog.d/3-bug-fixes/WPB-27405
new file mode 100644
index 00000000000..63696ad51ce
--- /dev/null
+++ b/changelog.d/3-bug-fixes/WPB-27405
@@ -0,0 +1 @@
+Fix parsing of single port for multiple PG hosts.
diff --git a/flake.lock b/flake.lock
index bd8e74f6d3a..02e0831cf90 100644
--- a/flake.lock
+++ b/flake.lock
@@ -350,16 +350,16 @@
     "postgresql-connection-string": {
       "flake": false,
       "locked": {
-        "lastModified": 1778144330,
-        "narHash": "sha256-w/TFQX7PIsLQTG+Es2yla584Y3T7Q6H1iIlqFap8qUk=",
+        "lastModified": 1786115798,
+        "narHash": "sha256-m5ryILR2bkzqG/L6s6y9yCPU0FghiNgXgVDyWVpJFEE=",
         "owner": "wireapp",
         "repo": "postgresql-connection-string",
-        "rev": "ff98790cb3058545ea978ea143cd57b04360c48c",
+        "rev": "1fd7230d9d2e54fe5eec2f35113837d69639ba1f",
         "type": "github"
       },
       "original": {
         "owner": "wireapp",
-        "ref": "expose-from-key-value-params",
+        "ref": "wire-patches",
         "repo": "postgresql-connection-string",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index 09cc084bba4..a5f30ca7c81 100644
--- a/flake.nix
+++ b/flake.nix
@@ -87,7 +87,7 @@
     };
 
     postgresql-connection-string = {
-      url = "github:wireapp/postgresql-connection-string?ref=expose-from-key-value-params";
+      url = "github:wireapp/postgresql-connection-string?ref=wire-patches";
       flake = false;
     };
 
diff --git a/nix/haskell-pins.nix b/nix/haskell-pins.nix
index 13ebf988279..4472c49f7cf 100644
--- a/nix/haskell-pins.nix
+++ b/nix/haskell-pins.nix
@@ -176,7 +176,7 @@ let
       src = inputs.hasql-migration;
     };
 
-    # PR: https://github.com/nikita-volkov/postgresql-connection-string/pull/4
+    # PR: https://github.com/nikita-volkov/postgresql-connection-string/pull/4 + 6
     postgresql-connection-string = {
       src = inputs.postgresql-connection-string;
     };