diff --git a/var/spack/repos/builtin/packages/py-transformers/package.py b/var/spack/repos/builtin/packages/py-transformers/package.py
index 732347591b..422f61f01d 100644
--- a/var/spack/repos/builtin/packages/py-transformers/package.py
+++ b/var/spack/repos/builtin/packages/py-transformers/package.py
@@ -13,17 +13,29 @@ class PyTransformers(PythonPackage):
 
     maintainers = ['adamjstewart']
 
+    version('4.6.1', sha256='83dbff763b7e7dc57cbef1a6b849655d4fcab6bffdd955c5e8bea12a4f76dc10')
     version('2.8.0', sha256='b9f29cdfd39c28f29e0806c321270dea337d6174a7aa60daf9625bf83dbb12ee')
 
     depends_on('python@3.6:', type=('build', 'run'))
     depends_on('py-setuptools', type='build')
+
     depends_on('py-numpy', type=('build', 'run'))
-    depends_on('py-tokenizers@0.5.2', type=('build', 'run'))
+    depends_on('py-numpy@1.17:', when='@4.6.1:', type=('build', 'run'))
+
+    depends_on('py-tokenizers', type=('build', 'run'))
+    depends_on('py-tokenizers@0.10.1:0.10.999', when='@4.6.1:', type=('build', 'run'))
+
     depends_on('py-dataclasses', when='^python@:3.6', type=('build', 'run'))
-    depends_on('py-boto3', type=('build', 'run'))
+    depends_on('py-boto3', when='@2.8.0', type=('build', 'run'))
     depends_on('py-filelock', type=('build', 'run'))
     depends_on('py-requests', type=('build', 'run'))
     depends_on('py-tqdm@4.27:', type=('build', 'run'))
     depends_on('py-regex@:2019.12.16,2019.12.18:', type=('build', 'run'))
+
     depends_on('py-sentencepiece', type=('build', 'run'))
+    depends_on('py-sentencepiece@0.1.91', when='@4.6.1:', type=('build', 'run'))
+
     depends_on('py-sacremoses', type=('build', 'run'))
+    depends_on('py-importlib-metadata', when='@4.6.1: ^python@:3.7.999', type=('build', 'run'))
+    depends_on('py-huggingface-hub@0.0.8', when='@4.6.1:', type=('build', 'run'))
+    depends_on('py-packaging', when='@4.6.1:', type=('build', 'run'))