diff --git a/.gitmodules b/.gitmodules
index 32bf485..9f26513 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,6 @@
 [submodule "libs/cheri-cap-lib"]
 	path = libs/cheri-cap-lib
 	url = https://github.com/CTSRD-CHERI/cheri-cap-lib.git
+[submodule "libs/RISCV_HPM_Events"]
+	path = libs/RISCV_HPM_Events
+	url = https://github.com/CTSRD-CHERI/RISCV_HPM_Events.git
diff --git a/libs/RISCV_HPM_Events b/libs/RISCV_HPM_Events
new file mode 160000
index 0000000..b1a63e2
--- /dev/null
+++ b/libs/RISCV_HPM_Events
@@ -0,0 +1 @@
+Subproject commit b1a63e273cf1e4b6a23b9af4cd16de0e96f19db3