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/0.0.9
deleted file mode 160000
index d717cd4..0000000
--- a/libraries/sky130_fd_pr/0.0.9
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit d717cd4d8d93cce6a8d7534f6a40432f0045039f
diff --git a/libraries/sky130_fd_pr/0.10.0 b/libraries/sky130_fd_pr/0.10.0
deleted file mode 160000
index d717cd4..0000000
--- a/libraries/sky130_fd_pr/0.10.0
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit d717cd4d8d93cce6a8d7534f6a40432f0045039f
diff --git a/libraries/sky130_fd_pr/0.10.1 b/libraries/sky130_fd_pr/0.10.1
deleted file mode 160000
index d717cd4..0000000
--- a/libraries/sky130_fd_pr/0.10.1
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit d717cd4d8d93cce6a8d7534f6a40432f0045039f
diff --git a/libraries/sky130_fd_pr/0.11.0 b/libraries/sky130_fd_pr/0.11.0
deleted file mode 160000
index d717cd4..0000000
--- a/libraries/sky130_fd_pr/0.11.0
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit d717cd4d8d93cce6a8d7534f6a40432f0045039f
diff --git a/libraries/sky130_fd_pr/0.12.0 b/libraries/sky130_fd_pr/0.12.0
deleted file mode 160000
index d717cd4..0000000
--- a/libraries/sky130_fd_pr/0.12.0
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit d717cd4d8d93cce6a8d7534f6a40432f0045039f
diff --git a/libraries/sky130_fd_pr/0.12.1 b/libraries/sky130_fd_pr/0.12.1
deleted file mode 160000
index d717cd4..0000000
--- a/libraries/sky130_fd_pr/0.12.1
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit d717cd4d8d93cce6a8d7534f6a40432f0045039f
diff --git a/libraries/sky130_fd_pr/0.13.0 b/libraries/sky130_fd_pr/0.13.0
deleted file mode 160000
index d717cd4..0000000
--- a/libraries/sky130_fd_pr/0.13.0
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit d717cd4d8d93cce6a8d7534f6a40432f0045039f
diff --git a/libraries/sky130_fd_pr/0.20.0 b/libraries/sky130_fd_pr/0.20.0
deleted file mode 160000
index d717cd4..0000000
--- a/libraries/sky130_fd_pr/0.20.0
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit d717cd4d8d93cce6a8d7534f6a40432f0045039f
diff --git a/libraries/sky130_fd_pr/0.20.1 b/libraries/sky130_fd_pr/0.20.1
deleted file mode 160000
index d717cd4..0000000
--- a/libraries/sky130_fd_pr/0.20.1
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit d717cd4d8d93cce6a8d7534f6a40432f0045039f
diff --git a/libraries/sky130_fd_pr/latest b/libraries/sky130_fd_pr/latest
index d717cd4..3195d6d 160000
--- a/libraries/sky130_fd_pr/latest
+++ b/libraries/sky130_fd_pr/latest
@@ -1 +1 @@
-Subproject commit d717cd4d8d93cce6a8d7534f6a40432f0045039f
+Subproject commit 3195d6d93e700c5c8f22c632f79ac400923a9ea3
diff --git a/libraries/sky130_fd_pr/v0.0.9 b/libraries/sky130_fd_pr/v0.0.9
new file mode 160000
index 0000000..88be317
--- /dev/null
+++ b/libraries/sky130_fd_pr/v0.0.9
@@ -0,0 +1 @@
+Subproject commit 88be3178d09cc218393ce97761877b47d80ff219
diff --git a/libraries/sky130_fd_pr/v0.10.0 b/libraries/sky130_fd_pr/v0.10.0
new file mode 160000
index 0000000..4ef3a9f
--- /dev/null
+++ b/libraries/sky130_fd_pr/v0.10.0
@@ -0,0 +1 @@
+Subproject commit 4ef3a9fc611fca77b8ebb7e164df8e5725429515
diff --git a/libraries/sky130_fd_pr/v0.10.1 b/libraries/sky130_fd_pr/v0.10.1
new file mode 160000
index 0000000..78516f4
--- /dev/null
+++ b/libraries/sky130_fd_pr/v0.10.1
@@ -0,0 +1 @@
+Subproject commit 78516f4d03c2443206fd9b64426c0d530b5ef79a
diff --git a/libraries/sky130_fd_pr/v0.11.0 b/libraries/sky130_fd_pr/v0.11.0
new file mode 160000
index 0000000..b192529
--- /dev/null
+++ b/libraries/sky130_fd_pr/v0.11.0
@@ -0,0 +1 @@
+Subproject commit b1925294535bcfaa6970c1cbc6d0d34f6ba2d338
diff --git a/libraries/sky130_fd_pr/v0.12.0 b/libraries/sky130_fd_pr/v0.12.0
new file mode 160000
index 0000000..c639b95
--- /dev/null
+++ b/libraries/sky130_fd_pr/v0.12.0
@@ -0,0 +1 @@
+Subproject commit c639b95c4ea4ac49663aa0f224dc69ca77bc5495
diff --git a/libraries/sky130_fd_pr/v0.12.1 b/libraries/sky130_fd_pr/v0.12.1
new file mode 160000
index 0000000..78ec0b6
--- /dev/null
+++ b/libraries/sky130_fd_pr/v0.12.1
@@ -0,0 +1 @@
+Subproject commit 78ec0b605843cd42bb6c05e4de0460d238e98655
diff --git a/libraries/sky130_fd_pr/v0.13.0 b/libraries/sky130_fd_pr/v0.13.0
new file mode 160000
index 0000000..ef7ae9d
--- /dev/null
+++ b/libraries/sky130_fd_pr/v0.13.0
@@ -0,0 +1 @@
+Subproject commit ef7ae9dc468e623f6b6f67712b57790e31772a24
diff --git a/libraries/sky130_fd_pr/v0.20.0 b/libraries/sky130_fd_pr/v0.20.0
new file mode 160000
index 0000000..668e396
--- /dev/null
+++ b/libraries/sky130_fd_pr/v0.20.0
@@ -0,0 +1 @@
+Subproject commit 668e3960c1626748465a3969c1371e8dbd3bd520
diff --git a/libraries/sky130_fd_pr/v0.20.1 b/libraries/sky130_fd_pr/v0.20.1
new file mode 160000
index 0000000..3195d6d
--- /dev/null
+++ b/libraries/sky130_fd_pr/v0.20.1
@@ -0,0 +1 @@
+Subproject commit 3195d6d93e700c5c8f22c632f79ac400923a9ea3