diff --git a/.circleci/config.yml b/.circleci/config.yml
index bd46e8542..bb1df9909 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -35,13 +35,13 @@ commands:
     description: "Restore the cache with pyspec keys"
     steps:
       - restore_cached_venv:
-          venv_name: v22-pyspec
+          venv_name: v24-pyspec
           reqs_checksum: cache-{{ checksum "setup.py" }}
   save_pyspec_cached_venv:
     description: Save a venv into a cache with pyspec keys"
     steps:
       - save_cached_venv:
-          venv_name: v22-pyspec
+          venv_name: v24-pyspec
           reqs_checksum: cache-{{ checksum "setup.py" }}
           venv_path: ./venv
   restore_deposit_contract_tester_cached_venv:
diff --git a/Makefile b/Makefile
index 987650948..08e822bf6 100644
--- a/Makefile
+++ b/Makefile
@@ -82,19 +82,19 @@ pyspec:
 
 # installs the packages to run pyspec tests
 install_test:
-	python3.8 -m venv venv; . venv/bin/activate; pip3 install .[lint]; pip3 install -e .[test]
+	python3 -m venv venv; . venv/bin/activate; python3 -m pip install .[lint]; python3 -m pip install -e .[test]
 
 test: pyspec
 	. venv/bin/activate; cd $(PY_SPEC_DIR); \
-	python -m pytest -n 4 --disable-bls --cov=eth2spec.phase0.spec --cov=eth2spec.phase1.spec --cov=eth2spec.lightclient_patch.spec -cov-report="html:$(COV_HTML_OUT)" --cov-branch eth2spec
+	python3 -m pytest -n 4 --disable-bls --cov=eth2spec.phase0.spec --cov=eth2spec.phase1.spec --cov=eth2spec.lightclient_patch.spec -cov-report="html:$(COV_HTML_OUT)" --cov-branch eth2spec
 
 find_test: pyspec
 	. venv/bin/activate; cd $(PY_SPEC_DIR); \
-	python -m pytest -k=$(K) --disable-bls --cov=eth2spec.phase0.spec --cov=eth2spec.phase1.spec --cov=eth2spec.lightclient_patch.spec --cov-report="html:$(COV_HTML_OUT)" --cov-branch eth2spec
+	python3 -m pytest -k=$(K) --disable-bls --cov=eth2spec.phase0.spec --cov=eth2spec.phase1.spec --cov=eth2spec.lightclient_patch.spec --cov-report="html:$(COV_HTML_OUT)" --cov-branch eth2spec
 
 citest: pyspec
 	mkdir -p tests/core/pyspec/test-reports/eth2spec; . venv/bin/activate; cd $(PY_SPEC_DIR); \
-	python -m pytest -n 4 --bls-type=milagro --junitxml=eth2spec/test_results.xml eth2spec
+	python3 -m pytest -n 4 --bls-type=milagro --junitxml=eth2spec/test_results.xml eth2spec
 
 open_cov:
 	((open "$(COV_INDEX_FILE)" || xdg-open "$(COV_INDEX_FILE)") &> /dev/null) &
@@ -133,11 +133,11 @@ test_deposit_contract:
 	dapp test -v --fuzz-runs 5
 
 install_deposit_contract_web3_tester:
-	cd $(DEPOSIT_CONTRACT_TESTER_DIR); python3 -m venv venv; . venv/bin/activate; pip3 install -r requirements.txt
+	cd $(DEPOSIT_CONTRACT_TESTER_DIR); python3 -m venv venv; . venv/bin/activate; python3 -m pip install -r requirements.txt
 
 test_deposit_contract_web3_tests:
 	cd $(DEPOSIT_CONTRACT_TESTER_DIR); . venv/bin/activate; \
-	python -m pytest .
+	python3 -m pytest .
 
 # Runs a generator, identified by param 1
 define run_generator
diff --git a/setup.py b/setup.py
index bd043dccc..6b8520075 100644
--- a/setup.py
+++ b/setup.py
@@ -582,8 +582,8 @@ setup(
         "eth-utils>=1.3.0,<2",
         "eth-typing>=2.1.0,<3.0.0",
         "pycryptodome==3.9.4",
-        "py_ecc==5.0.0",
-        "milagro_bls_binding==1.5.0",
+        "py_ecc==5.1.0",
+        "milagro_bls_binding==1.6.2",
         "dataclasses==0.6",
         "remerkleable==0.1.18",
         "ruamel.yaml==0.16.5",
diff --git a/tests/generators/bls/requirements.txt b/tests/generators/bls/requirements.txt
index fd54b5b32..5f830773a 100644
--- a/tests/generators/bls/requirements.txt
+++ b/tests/generators/bls/requirements.txt
@@ -1,4 +1,4 @@
-py_ecc==5.0.0
+py_ecc==5.1.0
 eth-utils==1.6.0
 ../../core/gen_helpers
 ../../../