diff --git a/packages/py-elephant/package.py b/packages/py-elephant/package.py
index 69bb9a9fdba060b1ca64b191acb89ab4c15f651f..49182c7ac5f428f17f5a7c1f62aa8db282ea085a 100644
--- a/packages/py-elephant/package.py
+++ b/packages/py-elephant/package.py
@@ -16,6 +16,7 @@ class PyElephant(PythonPackage):
     maintainers = ["moritzkern"]
 
     version('develop', branch='master')
+    version("1.0.0", sha256="b1471228821a5b8f3a3137f9facc1a7f2dc355b8e3300490bdc05f0466b80b27")
     version("0.14.0", sha256="02ce3b2a8d08dc19828f95384551339ea0946bc405c1db9aace54135417c2b0f")
     version("0.13.0", sha256="2c6463cf9ace41631f2af196c5b80b468bf1c4b264d3a6b1ea0fb587d9e7dd67")
     version("0.12.0", sha256="81f8d668f92d8688344bb7a9c5abaa8438d824560c935a411e6e36ddf7dc7c72")
@@ -66,7 +67,7 @@ class PyElephant(PythonPackage):
     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="@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:")