diff --git a/.gitmodules b/.gitmodules
index 64330e4..3a0a8fa 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,51 +4,61 @@
 	url = https://foss-eda-tools.googlesource.com/skywater-pdk/libs/sky130_fd_pr.git
 	branch = master
 	shallow = true
+	fetchRecurseSubmodules = false
 [submodule "libraries/sky130_fd_pr/v0.20.1"]
 	path = libraries/sky130_fd_pr/v0.20.1
 	url = https://foss-eda-tools.googlesource.com/skywater-pdk/libs/sky130_fd_pr.git
 	branch = branch-0.20.1
 	shallow = true
+	fetchRecurseSubmodules = false
 [submodule "libraries/sky130_fd_pr/v0.20.0"]
 	path = libraries/sky130_fd_pr/v0.20.0
 	url = https://foss-eda-tools.googlesource.com/skywater-pdk/libs/sky130_fd_pr.git
 	branch = branch-0.20.0
 	shallow = true
+	fetchRecurseSubmodules = false
 [submodule "libraries/sky130_fd_pr/v0.13.0"]
 	path = libraries/sky130_fd_pr/v0.13.0
 	url = https://foss-eda-tools.googlesource.com/skywater-pdk/libs/sky130_fd_pr.git
 	branch = branch-0.13.0
 	shallow = true
+	fetchRecurseSubmodules = false
 [submodule "libraries/sky130_fd_pr/v0.12.1"]
 	path = libraries/sky130_fd_pr/v0.12.1
 	url = https://foss-eda-tools.googlesource.com/skywater-pdk/libs/sky130_fd_pr.git
 	branch = branch-0.12.1
 	shallow = true
+	fetchRecurseSubmodules = false
 [submodule "libraries/sky130_fd_pr/v0.12.0"]
 	path = libraries/sky130_fd_pr/v0.12.0
 	url = https://foss-eda-tools.googlesource.com/skywater-pdk/libs/sky130_fd_pr.git
 	branch = branch-0.12.0
 	shallow = true
+	fetchRecurseSubmodules = false
 [submodule "libraries/sky130_fd_pr/v0.11.0"]
 	path = libraries/sky130_fd_pr/v0.11.0
 	url = https://foss-eda-tools.googlesource.com/skywater-pdk/libs/sky130_fd_pr.git
 	branch = branch-0.11.0
 	shallow = true
+	fetchRecurseSubmodules = false
 [submodule "libraries/sky130_fd_pr/v0.10.1"]
 	path = libraries/sky130_fd_pr/v0.10.1
 	url = https://foss-eda-tools.googlesource.com/skywater-pdk/libs/sky130_fd_pr.git
 	branch = branch-0.10.1
 	shallow = true
+	fetchRecurseSubmodules = false
 [submodule "libraries/sky130_fd_pr/v0.10.0"]
 	path = libraries/sky130_fd_pr/v0.10.0
 	url = https://foss-eda-tools.googlesource.com/skywater-pdk/libs/sky130_fd_pr.git
 	branch = branch-0.10.0
 	shallow = true
+	fetchRecurseSubmodules = false
 [submodule "libraries/sky130_fd_pr/v0.0.9"]
 	path = libraries/sky130_fd_pr/v0.0.9
 	url = https://foss-eda-tools.googlesource.com/skywater-pdk/libs/sky130_fd_pr.git
 	branch = branch-0.0.9
 	shallow = true
+	fetchRecurseSubmodules = false
 
 # sky130_fd_sc_hd
 [submodule "libraries/sky130_fd_sc_hd/latest"]
@@ -146,30 +156,3 @@
 	branch = branch-0.1.0
 	shallow = true
 	fetchRecurseSubmodules = false
-[submodule "libraries/sky130_fd_pr/0.0.9"]
-	path = libraries/sky130_fd_pr/0.0.9
-	url = https://foss-eda-tools.googlesource.com/skywater-pdk/libs/sky130_fd_pr.git
-[submodule "libraries/sky130_fd_pr/0.10.0"]
-	path = libraries/sky130_fd_pr/0.10.0
-	url = https://foss-eda-tools.googlesource.com/skywater-pdk/libs/sky130_fd_pr.git
-[submodule "libraries/sky130_fd_pr/0.10.1"]
-	path = libraries/sky130_fd_pr/0.10.1
-	url = https://foss-eda-tools.googlesource.com/skywater-pdk/libs/sky130_fd_pr.git
-[submodule "libraries/sky130_fd_pr/0.11.0"]
-	path = libraries/sky130_fd_pr/0.11.0
-	url = https://foss-eda-tools.googlesource.com/skywater-pdk/libs/sky130_fd_pr.git
-[submodule "libraries/sky130_fd_pr/0.12.0"]
-	path = libraries/sky130_fd_pr/0.12.0
-	url = https://foss-eda-tools.googlesource.com/skywater-pdk/libs/sky130_fd_pr.git
-[submodule "libraries/sky130_fd_pr/0.12.1"]
-	path = libraries/sky130_fd_pr/0.12.1
-	url = https://foss-eda-tools.googlesource.com/skywater-pdk/libs/sky130_fd_pr.git
-[submodule "libraries/sky130_fd_pr/0.13.0"]
-	path = libraries/sky130_fd_pr/0.13.0
-	url = https://foss-eda-tools.googlesource.com/skywater-pdk/libs/sky130_fd_pr.git
-[submodule "libraries/sky130_fd_pr/0.20.0"]
-	path = libraries/sky130_fd_pr/0.20.0
-	url = https://foss-eda-tools.googlesource.com/skywater-pdk/libs/sky130_fd_pr.git
-[submodule "libraries/sky130_fd_pr/0.20.1"]
-	path = libraries/sky130_fd_pr/0.20.1
-	url = https://foss-eda-tools.googlesource.com/skywater-pdk/libs/sky130_fd_pr.git
diff --git a/libraries/sky130_fd_pr/0.0.9 b/libraries/sky130_fd_pr/v0.0.9
similarity index 100%
rename from libraries/sky130_fd_pr/0.0.9
rename to libraries/sky130_fd_pr/v0.0.9
diff --git a/libraries/sky130_fd_pr/0.10.0 b/libraries/sky130_fd_pr/v0.10.0
similarity index 100%
rename from libraries/sky130_fd_pr/0.10.0
rename to libraries/sky130_fd_pr/v0.10.0
diff --git a/libraries/sky130_fd_pr/0.10.1 b/libraries/sky130_fd_pr/v0.10.1
similarity index 100%
rename from libraries/sky130_fd_pr/0.10.1
rename to libraries/sky130_fd_pr/v0.10.1
diff --git a/libraries/sky130_fd_pr/0.11.0 b/libraries/sky130_fd_pr/v0.11.0
similarity index 100%
rename from libraries/sky130_fd_pr/0.11.0
rename to libraries/sky130_fd_pr/v0.11.0
diff --git a/libraries/sky130_fd_pr/0.12.0 b/libraries/sky130_fd_pr/v0.12.0
similarity index 100%
rename from libraries/sky130_fd_pr/0.12.0
rename to libraries/sky130_fd_pr/v0.12.0
diff --git a/libraries/sky130_fd_pr/0.12.1 b/libraries/sky130_fd_pr/v0.12.1
similarity index 100%
rename from libraries/sky130_fd_pr/0.12.1
rename to libraries/sky130_fd_pr/v0.12.1
diff --git a/libraries/sky130_fd_pr/0.13.0 b/libraries/sky130_fd_pr/v0.13.0
similarity index 100%
rename from libraries/sky130_fd_pr/0.13.0
rename to libraries/sky130_fd_pr/v0.13.0
diff --git a/libraries/sky130_fd_pr/0.20.0 b/libraries/sky130_fd_pr/v0.20.0
similarity index 100%
rename from libraries/sky130_fd_pr/0.20.0
rename to libraries/sky130_fd_pr/v0.20.0
diff --git a/libraries/sky130_fd_pr/0.20.1 b/libraries/sky130_fd_pr/v0.20.1
similarity index 100%
rename from libraries/sky130_fd_pr/0.20.1
rename to libraries/sky130_fd_pr/v0.20.1