Use known PyPi version

Other one has mysteriously dissapeared
5 years ago · b376f81667
1 changed files with 1 additions and 1 deletions
--- a/requirements.txt
+++ b/requirements.txt
@ -1,2 +1,2 @@
 mkdocs==1.0.4
-mkdocs-alabaster==0.8.0
+mkdocs-alabaster==0.7.7