diff --git a/packages/py-odetoolbox/package.py b/packages/py-odetoolbox/package.py
index c5ccc4598f2d12725e8bcf818f751023121c2ef3..d1ef24d8af73a95e4f299674a2176a90df0eda67 100644
--- a/packages/py-odetoolbox/package.py
+++ b/packages/py-odetoolbox/package.py
@@ -12,19 +12,20 @@ class PyOdetoolbox(PythonPackage):
     """
 
     homepage = 'https://ode-toolbox.readthedocs.io'
-    url      = 'https://pypi.org/packages/py3/o/odetoolbox/odetoolbox-2.5-py3-none-any.whl'
+    url      = 'https://files.pythonhosted.org/packages/25/a3/8e4e17ad7e2d25640ac65cbdb604f90cc9436da7e438148399886f961ded/odetoolbox-2.5.7-py3-none-any.whl'
     git      = 'https://github.com/nest/ode-toolbox'
 
     maintainers = ['clinssen']
 
+    version('2.5.7', sha256='c066e8dc7400441801781538f67b761535cbcfadc3e06cb952e40d551a59d8c9', expand=False)
     version('2.5.4', sha256='eadb8f42a553cb34180a11d96cbac49ec4d0f07caf0358e066ab63415746e009', expand=False)
     version('2.5', sha256='947bbb289830dde60066106f5f628de2598a71129eafff8ec86317a0b5e8960e', expand=False)
 
     depends_on('python@3.8:', type=('build', 'run'))
     depends_on('py-pip', type='build')
-    depends_on('py-sympy@:1.4,1.7,1.8,1.9,1.10.1:', type=('build', 'run'))
+    depends_on('py-sympy', type=('build', 'run'))
     depends_on('py-scipy', type=('build', 'run'))
-    depends_on('py-numpy@1.8.2:', type=('build', 'run'))
+    depends_on('py-numpy', type=('build', 'run'))
     depends_on('py-cython', type=('build', 'run'))
     depends_on('py-matplotlib', type=('build', 'run'))
     depends_on('py-setuptools', type=('build', 'run'))
diff --git a/spack.yaml b/spack.yaml
index da2a6fb26a1173f4bda40ceb4bc7397673e7b13e..3ec9f52242fd11df1ede84cb30500dd21ab0d278 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -46,6 +46,7 @@ spack:
     - py-netpyne@1.0.6
     - py-neurom@3.2.4
     - py-neuror@1.6.4
+    - py-odetoolbox@2.5.7
     - py-pynn@0.12.3 +mpi
     - py-pyunicore@1.1.1
     - py-quantities-scidash@0.12.4.3