diff --git a/tests/posix_sleep/Makefile.ci b/tests/posix_sleep/Makefile.ci
new file mode 100644
index 0000000000..b9ff275375
--- /dev/null
+++ b/tests/posix_sleep/Makefile.ci
@@ -0,0 +1,3 @@
+BOARD_INSUFFICIENT_MEMORY := \
+    nucleo-l011k4 \
+    #