diff --git a/Makefile b/Makefile
index 1c730c15..21ebcb93 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@ CARGO_HACK_ARGS=--feature-powerset --exclude-features default --group-features b
 
 CARGO_DOC_ARGS?=--open
 
-XDRGEN_VERSION=193ddc25bdcde71b860b17828dc3fb1e5655b27e
+XDRGEN_VERSION=e90b9ee62a89f346a86ef66f889bcfd8e1a8fbcb
 XDRGEN_TYPES_CUSTOM_STR_IMPL=PublicKey,AccountId,MuxedAccount,MuxedAccountMed25519,SignerKey,SignerKeyEd25519SignedPayload,NodeId,ScAddress,AssetCode,AssetCode4,AssetCode12
 
 all: build test