diff --git a/test_generators/ssz_generic/requirements.txt b/test_generators/ssz_generic/requirements.txt
index dcdb0824f..94c019c4e 100644
--- a/test_generators/ssz_generic/requirements.txt
+++ b/test_generators/ssz_generic/requirements.txt
@@ -1,4 +1,4 @@
 eth-utils==1.6.0
 ../../test_libs/gen_helpers
 ../../test_libs/config_helpers
-ssz==0.1.0a2
+ssz==0.1.3
diff --git a/test_libs/pyspec/requirements.txt b/test_libs/pyspec/requirements.txt
index 5aeea4cab..480602779 100644
--- a/test_libs/pyspec/requirements.txt
+++ b/test_libs/pyspec/requirements.txt
@@ -3,4 +3,4 @@ eth-typing>=2.1.0,<3.0.0
 pycryptodome==3.7.3
 py_ecc==1.7.1
 dataclasses==0.6
-ssz==0.1.0a11
+ssz==0.1.3
diff --git a/test_libs/pyspec/setup.py b/test_libs/pyspec/setup.py
index 9bdbdb2e9..94575f2a1 100644
--- a/test_libs/pyspec/setup.py
+++ b/test_libs/pyspec/setup.py
@@ -9,7 +9,7 @@ setup(
         "eth-typing>=2.1.0,<3.0.0",
         "pycryptodome==3.7.3",
         "py_ecc==1.7.1",
-        "ssz==0.1.0a11",
+        "ssz==0.1.3",
         "dataclasses==0.6",
     ]
 )