diff --git a/contrib/ios/install_expat.sh b/contrib/ios/install_expat.sh
index b8e3a9046..3219558df 100755
--- a/contrib/ios/install_expat.sh
+++ b/contrib/ios/install_expat.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
-LIBEXPAT_FNAME=expat-2.7.0
-LIBEXPAT_VERSION_DIR=R_2_7_0
+LIBEXPAT_FNAME=expat-2.6.3
+LIBEXPAT_VERSION_DIR=R_2_6_3
 
 echo "Downloading Expat"
 if ! curl -L -k -s -o $LIBEXPAT_FNAME.tar.gz https://github.com/libexpat/libexpat/releases/download/$LIBEXPAT_VERSION_DIR/$LIBEXPAT_FNAME.tar.gz;
diff --git a/doc/Changelog b/doc/Changelog
index 3a8a4024b..d90263a36 100644
--- a/doc/Changelog
+++ b/doc/Changelog
@@ -1,5 +1,7 @@
 26 March 2025: Yorgos
 	- Fix #1255: Multiple pinnings to vulnerable copies of libexpat.
+	- For #1255, for ios use an older expat version that does not require
+	  C++11 language features.
 
 24 March 2025: Wouter
 	- Fix #1254: `send failed: Socket is not connected` and