diff --git a/Makefile b/Makefile
index 0f9a344..1ba1250 100644
--- a/Makefile
+++ b/Makefile
@@ -169,7 +169,7 @@ print-%  : ; @echo $* = $($*) ;
 STANC_DL_RETRY = 5
 STANC_DL_DELAY = 10
 STANC3_TEST_BIN_URL ?=
-STANC3_VERSION ?= v2.37.0
+STANC3_VERSION ?= v2.38.0
 
 ifeq ($(OS),Windows_NT)
  OS_TAG := windows
diff --git a/stan b/stan
index 47f3a5a..d13c50c 160000
--- a/stan
+++ b/stan
@@ -1 +1 @@
-Subproject commit 47f3a5abd94143fead8cb533135b3a6c794702ba
+Subproject commit d13c50c0fe7e4a4c387b727b81246cee2541a320