diff --git a/backends/arm/TARGETS b/backends/arm/TARGETS
index 63140dc7b9f..01cccd5368c 100644
--- a/backends/arm/TARGETS
+++ b/backends/arm/TARGETS
@@ -23,8 +23,8 @@ python_library(
     deps = [
         "fbsource//third-party/pypi/flatbuffers:flatbuffers",
         "fbsource//third-party/pypi/ml-dtypes:ml-dtypes",
-        "fbsource//third-party/serialization_lib/python/serializer:serializer",
-        "fbsource//third-party/serialization_lib/python/tosa:tosa",
+        "fbsource//third-party/tosa_tools/v0.80/serialization_lib/python/serializer:serializer",
+        "fbsource//third-party/tosa_tools/v0.80/serialization_lib/python/tosa:tosa",
         ":arm_vela",
         ":process_node",
         "//executorch/backends/arm/operators:lib",
@@ -36,7 +36,7 @@ python_library(
     name = "process_node",
     srcs = ["process_node.py"],
     deps = [
-        "fbsource//third-party/serialization_lib/python/tosa:tosa",
+        "fbsource//third-party/tosa_tools/v0.80/serialization_lib/python/tosa:tosa",
         "//executorch/backends/arm/operators:node_visitor",
         "//executorch/backends/arm:tosa_mapping",
         "//executorch/backends/arm:tosa_quant_utils",
@@ -59,7 +59,7 @@ python_library(
         "tosa_mapping.py",
     ],
     deps = [
-        "fbsource//third-party/serialization_lib/python/serializer:serializer",
+        "fbsource//third-party/tosa_tools/v0.80/serialization_lib/python/serializer:serializer",
         "//caffe2:torch",
     ],
 )
@@ -70,8 +70,8 @@ python_library(
     ],
     deps = [
         "fbsource//third-party/pypi/numpy:numpy",
-        "fbsource//third-party/serialization_lib/python/serializer:serializer",
-        "fbsource//third-party/serialization_lib/python/tosa:tosa",
+        "fbsource//third-party/tosa_tools/v0.80/serialization_lib/python/serializer:serializer",
+        "fbsource//third-party/tosa_tools/v0.80/serialization_lib/python/tosa:tosa",
         ":tosa_mapping",
         "//executorch/exir/dialects:lib",
     ],
@@ -92,7 +92,7 @@ python_library(
         "tosa_utils.py",
     ],
     deps = [
-        "fbsource//third-party/serialization_lib/python/serializer:serializer",
+        "fbsource//third-party/tosa_tools/v0.80/serialization_lib/python/serializer:serializer",
         ":tosa_quant_utils",
         "//executorch/backends/arm/operators:node_visitor",
     ],
diff --git a/backends/arm/operators/TARGETS b/backends/arm/operators/TARGETS
index b37823b60c2..6f97c0ef434 100644
--- a/backends/arm/operators/TARGETS
+++ b/backends/arm/operators/TARGETS
@@ -14,7 +14,7 @@ python_library(
     name = "ops",
     srcs = glob(["op_*.py", "ops_*.py"]),
     deps = [
-        "fbsource//third-party/serialization_lib/python/tosa:tosa",
+        "fbsource//third-party/tosa_tools/v0.80/serialization_lib/python/tosa:tosa",
         ":node_visitor",
         "//executorch/backends/arm:tosa_mapping",
         "//executorch/backends/arm:tosa_quant_utils",