diff --git a/.gitmodules b/.gitmodules
index 771491b28..f1dd93672 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -648,6 +648,9 @@
 [submodule "projects/MICA-PNI_Precision_NeuroImaging_and_Connectomics"]
 	path = projects/MICA-PNI_Precision_NeuroImaging_and_Connectomics
 	url = https://github.com/conp-bot/conp-dataset-MICA-PNI_Precision_NeuroImaging_and_Connectomics.git
+[submodule "projects/3-step_CPCA"]
+	path = projects/3-step_CPCA
+	url = https://github.com/conp-bot/conp-dataset-3-step_CPCA.git
 [submodule "projects/PiDose"]
 	path = projects/PiDose
 	url = https://github.com/conp-bot/conp-dataset-PiDose.git
diff --git a/projects/3-step_CPCA b/projects/3-step_CPCA
new file mode 160000
index 000000000..a318d92b2
--- /dev/null
+++ b/projects/3-step_CPCA
@@ -0,0 +1 @@
+Subproject commit a318d92b2fee5c25ce6171843a482afcc8d4e1b3