diff --git a/m/mumax/mumax-3.10beta-CUDA-10.2.89.eb b/m/mumax/mumax-20191121-CUDA-10.2.89.eb
similarity index 79%
rename from m/mumax/mumax-3.10beta-CUDA-10.2.89.eb
rename to m/mumax/mumax-20191121-CUDA-10.2.89.eb
index e3584710..efd69f4f 100644
--- a/m/mumax/mumax-3.10beta-CUDA-10.2.89.eb
+++ b/m/mumax/mumax-20191121-CUDA-10.2.89.eb
@@ -3,7 +3,7 @@
 easyblock = 'CmdCp'
 
 name = 'mumax'
-version = '3.10beta'
+version = '20191121'
 versionsuffix = '-CUDA-10.2.89'
 
 homepage = 'https://github.com/mumax/3'
@@ -11,20 +11,12 @@ description = "GPU accelerated micromagnetic simulator."
 
 toolchain = SYSTEM
 
-#source_urls = ['https://github.com/mumax/3/archive']
-#sources = ['v3.9.3.tar.gz']
-
 sources = [{
     'source_urls': ['https://github.com/mumax/3/archive/'],
-    'filename': '3.10beta.tar.gz',
-#    'download_filename': 'archive.gz',
+    'filename': '2ae87b948b9345138aa1eca3ac8fd50cff66c5cd.tar.gz',
     'extract_cmd': "mkdir -p src/github.com/mumax/3 && tar xfvz %s -C src/github.com/mumax/3 --strip-components=1",
 }]
 
-patches = [
-        'mumax-go.patch',
-]
-
 
 dependencies = [
         ('CUDA', '10.2.89'),