Use citeproc 0.1.0.1.

cabal.project

@@ -7,4 +7,4 @@ package pandoc
 source-repository-package
     type: git
     location: https://github.com/jgm/citeproc
-    tag: ea3a2b3827df61595ec16408c904ecda96bbdc5f
+    tag: 0.1.0.1

pandoc.cabal

@@ -404,7 +404,7 @@ library
                  blaze-markup          >= 0.8      && < 0.9,
                  bytestring            >= 0.9      && < 0.12,
                  case-insensitive      >= 1.2      && < 1.3,
-                 citeproc              >= 0.1      && < 0.2,
+                 citeproc              >= 0.1.0.1  && < 0.2,
                  commonmark            >= 0.1.0.2  && < 0.2,
                  commonmark-extensions >= 0.2      && < 0.3,
                  commonmark-pandoc     >= 0.2      && < 0.3,

stack.yaml

@@ -22,8 +22,7 @@ extra-deps:
 - commonmark-0.1.0.2
 - commonmark-extensions-0.2.0.1
 - commonmark-pandoc-0.2.0.1
-- git: https://github.com/jgm/citeproc
-  commit: ea3a2b3827df61595ec16408c904ecda96bbdc5f
+- citeproc-0.1.0.1
 
 ghc-options:
    "$locals": -fhide-source-paths -Wno-missing-home-modules