diff --git a/examples/rust-gcoap/Makefile.ci b/examples/rust-gcoap/Makefile.ci
index 5a1717d5f8..6983c3d37d 100644
--- a/examples/rust-gcoap/Makefile.ci
+++ b/examples/rust-gcoap/Makefile.ci
@@ -23,6 +23,8 @@ BOARD_INSUFFICIENT_MEMORY := \
     samd10-xmini \
     saml10-xpro \
     saml11-xpro \
+    seeedstudio-gd32 \
+    sipeed-longan-nano \
     slstk3400a \
     stk3200 \
     stm32f030f4-demo \