diff --git a/meta-python/recipes-devtools/python/python3-oslash_0.6.3.bb b/meta-python/recipes-devtools/python/python3-oslash_0.6.3.bb
index d9d977b70..b926484db 100644
--- a/meta-python/recipes-devtools/python/python3-oslash_0.6.3.bb
+++ b/meta-python/recipes-devtools/python/python3-oslash_0.6.3.bb
@@ -14,8 +14,9 @@ PYPI_PACKAGE = "OSlash"
 
 inherit pypi setuptools3
 
-RDEPENDS:${PN} += "\
-    python3-core \
+RDEPENDS:${PN} += " \
+    python3-json \
+    python3-typing-extensions \
 "
 
 BBCLASSEXTEND = "native nativesdk"