diff --git a/var/spack/repos/builtin/packages/py-torch/package.py b/var/spack/repos/builtin/packages/py-torch/package.py
index 830aa41e705..9af10cb65a3 100644
--- a/var/spack/repos/builtin/packages/py-torch/package.py
+++ b/var/spack/repos/builtin/packages/py-torch/package.py
@@ -230,12 +230,12 @@ class PyTorch(PythonPackage, CudaPackage, ROCmPackage):
     depends_on("pthreadpool@2020-10-05", when="@1.8")
     depends_on("pthreadpool@2020-06-15", when="@1.6:1.7")
     with default_args(type=("build", "link", "run")):
-        depends_on("py-pybind11@2.12.0", when="@2.3:")
-        depends_on("py-pybind11@2.11.0", when="@2.1:2.2")
-        depends_on("py-pybind11@2.10.1", when="@2.0")
-        depends_on("py-pybind11@2.10.0", when="@1.13:1")
-        depends_on("py-pybind11@2.6.2", when="@1.8:1.12")
-        depends_on("py-pybind11@2.3.0", when="@:1.7")
+        depends_on("py-pybind11@2.12.0:", when="@2.3:")
+        depends_on("py-pybind11@2.11.0:", when="@2.1:2.2")
+        depends_on("py-pybind11@2.10.1:", when="@2.0")
+        depends_on("py-pybind11@2.10.0:", when="@1.13:1")
+        depends_on("py-pybind11@2.6.2:", when="@1.8:1.12")
+        depends_on("py-pybind11@2.3.0:", when="@:1.7")
     depends_on("sleef@3.6.0_2024-03-20", when="@2.4:")
     depends_on("sleef@3.5.1_2020-12-22", when="@1.8:2.3")
     depends_on("sleef@3.4.0_2019-07-30", when="@1.6:1.7")