diff --git a/.gitmodules b/.gitmodules
index 0874f66..464b6c4 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -160,7 +160,6 @@
 	branch = branch-0.1.0
 	shallow = true
 	fetchRecurseSubmodules = false
-
 # sky130_fd_sc_lp
 [submodule "libraries/sky130_fd_sc_lp/latest"]
 	path = libraries/sky130_fd_sc_lp/latest
@@ -244,3 +243,32 @@
 	branch = branch-0.0.1
 	shallow = true
 	fetchRecurseSubmodules = false
+#sky130_fd_pr_reram
+[submodule "libraries/sky130_fd_pr_reram/v0.0.9"]
+	path = libraries/sky130_fd_pr_reram/v0.0.9
+	url = https://github.com/google/skywater-pdk-libs-sky130_fd_pr_reram.git
+	branch = branch-0.0.9
+	shallow = true
+	fetchRecurseSubmodules = false
+[submodule "libraries/sky130_fd_pr_reram/v2.0.1"]
+	path = libraries/sky130_fd_pr_reram/v2.0.1
+	url = https://github.com/google/skywater-pdk-libs-sky130_fd_pr_reram.git
+	branch = branch-2.0.1
+	shallow = true
+	fetchRecurseSubmodules = false
+[submodule "libraries/sky130_fd_pr_reram/v2.0.2"]
+	path = libraries/sky130_fd_pr_reram/v2.0.2
+	url = https://github.com/google/skywater-pdk-libs-sky130_fd_pr_reram.git
+	branch = branch-2.0.2
+	shallow = true
+	fetchRecurseSubmodules = false
+[submodule "libraries/sky130_fd_pr_reram/v2.0.3"]
+	path = libraries/sky130_fd_pr_reram/v2.0.3
+	url = https://github.com/google/skywater-pdk-libs-sky130_fd_pr_reram.git
+	branch = branch-2.0.3
+	shallow = true
+	fetchRecurseSubmodules = false
+[submodule "libraries/sky130_fd_pr_reram/latest"]
+	path = libraries/sky130_fd_pr_reram/latest
+	url = https://github.com/google/skywater-pdk-libs-sky130_fd_pr_reram.git
+	branch = main
diff --git a/libraries/sky130_fd_pr_reram/latest b/libraries/sky130_fd_pr_reram/latest
new file mode 160000
index 0000000..48c8310
--- /dev/null
+++ b/libraries/sky130_fd_pr_reram/latest
@@ -0,0 +1 @@
+Subproject commit 48c8310e464157d797c78cb2e6d6b5a21d710c20
diff --git a/libraries/sky130_fd_pr_reram/v0.0.9 b/libraries/sky130_fd_pr_reram/v0.0.9
new file mode 160000
index 0000000..1ed5750
--- /dev/null
+++ b/libraries/sky130_fd_pr_reram/v0.0.9
@@ -0,0 +1 @@
+Subproject commit 1ed57501be4b8b7816942b7eac6f864910025799
diff --git a/libraries/sky130_fd_pr_reram/v2.0.1 b/libraries/sky130_fd_pr_reram/v2.0.1
new file mode 160000
index 0000000..21212f5
--- /dev/null
+++ b/libraries/sky130_fd_pr_reram/v2.0.1
@@ -0,0 +1 @@
+Subproject commit 21212f530de3b071e4737a7622ce3c7dce1527bb
diff --git a/libraries/sky130_fd_pr_reram/v2.0.2 b/libraries/sky130_fd_pr_reram/v2.0.2
new file mode 160000
index 0000000..ef3ec3e
--- /dev/null
+++ b/libraries/sky130_fd_pr_reram/v2.0.2
@@ -0,0 +1 @@
+Subproject commit ef3ec3edd3d30a35ff04011fd3afc8f2cdd1d06f
diff --git a/libraries/sky130_fd_pr_reram/v2.0.3 b/libraries/sky130_fd_pr_reram/v2.0.3
new file mode 160000
index 0000000..d3c4505
--- /dev/null
+++ b/libraries/sky130_fd_pr_reram/v2.0.3
@@ -0,0 +1 @@
+Subproject commit d3c4505de8ec4c52fe70c276b351929297ffcd6e