diff --git a/.gitmodules b/.gitmodules
index 7b2f490..bfc90b6 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
-[submodule "rp2350/sfe_pico_alloc/tlsf"]
+[submodule "tlsf"]
 	path = sparkfun_pico/tlsf
-	url = git@github.com:espressif/tlsf.git
+	url = https://github.com/espressif/tlsf
diff --git a/sparkfun_pico/tlsf b/sparkfun_pico/tlsf
index 8fc595f..81d3779 160000
--- a/sparkfun_pico/tlsf
+++ b/sparkfun_pico/tlsf
@@ -1 +1 @@
-Subproject commit 8fc595fe223cd0b3b5d7b29eb86825e4bd38e6e8
+Subproject commit 81d37795451578255c8d047404c4a179258dcec7