diff --git a/packages/py-elephant/package.py b/packages/py-elephant/package.py
index 163ee8000d80871584af4962ed6f735b823b3eb8..969983d2ba29cea0f40aff456c2392d0bfed9126 100644
--- a/packages/py-elephant/package.py
+++ b/packages/py-elephant/package.py
@@ -17,6 +17,7 @@ class PyElephant(PythonPackage):
     maintainers = ["Moritz-Alexander-Kern"]
 
     version('develop', branch='master')
+    version("0.12.0", sha256="")
     version("0.11.2", sha256="f8759fff0bbb136ae4ffc8d1eacadeea8ba56610d705c3bf207de87ada3ba240")
     version("0.11.1", sha256="d604a202583440fdf9d95d42cef50a410bd74fcaaa1a925b139435f27ab012ef")
     version("0.11.0", sha256="7b547964dbd196361edc922db2c5a7c0c886ef1effcca6c6dc7adb06f966a3be")
@@ -61,9 +62,11 @@ class PyElephant(PythonPackage):
     depends_on("py-neo@0.9.0", type=("build", "run"), when="@0.9.0:0.10.0")
     depends_on("py-neo@0.8.0", type=("build", "run"), when="@0.6.4:0.8.0")
     depends_on("py-numpy@1.18.1:1.23.5", type=("build", "run"), when="@0.6.4:0.11.2")
+    depends_on("py-numpy@1.18.1:", type=("build", "run"), when="@0.12.0:")
     depends_on("py-numpy@1.18.1:", type=("build", "run"), when="@develop")
     depends_on("py-quantities@0.12.1:0.13.0", type=("build", "run"), when="@0.6.4:0.11.2")
     depends_on("py-quantities@0.14.0:", type=("build", "run"), when="@develop")
+    depends_on("py-quantities@0.14.1:", type=("build", "run"), when="@0.12.0:")
     depends_on("py-scipy@1.5.4:", type=("build", "run"), when="@0.6.4:")
     depends_on("py-six@1.10.0:", type=("build", "run"), when="@0.6.4:")
     depends_on("py-tqdm", type=("build", "run"), when="@0.6.4:")