diff --git a/.gitmodules b/.gitmodules
index 40554da..ee2a147 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -6,7 +6,7 @@
 	url = https://git.syndicate-lang.org/syndicate-lang/preserves.git
 [submodule "coap"]
 	path = coap
-	url = git@codeberg.org:eris/nim-coap.git
+	url = https://codeberg.org/eris/coap-nim.git
 [submodule "syndicate/protocols"]
 	path = syndicate/protocols
 	url = https://git.syndicate-lang.org/syndicate-lang/syndicate-protocols.git