diff --git a/stack/ghc-8.0.2.yaml b/stack/ghc-8.0.2.yaml
index bbc959d..5ef30a2 100644
--- a/stack/ghc-8.0.2.yaml
+++ b/stack/ghc-8.0.2.yaml
@@ -12,6 +12,6 @@ extra-deps:
 - hspec-discover-2.7.1@sha256:e8ce36741c06b41de58069814a7d3b7314bdeaab35ae573e3c924739011e0c29,2243
 - massiv-test-0.1.2@sha256:93df921acadb56f81b35d3117e020e485b3b26c28a99e2053544878c92de2fcb,3859
 - massiv-0.4.5.0@sha256:a0e16ef4503c642cff1bbf686f1c89e87ac3bb6755f4d975ff8b5b8fc27b61db,4611
-- scheduler-1.4.2.1@sha256:26fb16ccf5f41ee9144f8c77a5228163968543ae5cc8242c761e69ff8f579e07,2863
+- scheduler-1.5.0@sha256:8b43f2991bf9a720b12192ba99525f705a44aeae9541a7bd73fbc7e7b56fd8f0,2437
 - HUnit-1.6.2.0@sha256:1a79174e8af616117ad39464cac9de205ca923da6582825e97c10786fda933a4,1588
 - call-stack-0.4.0@sha256:ac44d2c00931dc20b01750da8c92ec443eb63a7231e8550188cb2ac2385f7feb,1200
diff --git a/stack/ghc-8.0.2.yaml.lock b/stack/ghc-8.0.2.yaml.lock
index 04481c1..b8faad6 100644
--- a/stack/ghc-8.0.2.yaml.lock
+++ b/stack/ghc-8.0.2.yaml.lock
@@ -75,12 +75,12 @@ packages:
   original:
     hackage: massiv-0.4.5.0@sha256:a0e16ef4503c642cff1bbf686f1c89e87ac3bb6755f4d975ff8b5b8fc27b61db,4611
 - completed:
-    hackage: scheduler-1.4.2.1@sha256:26fb16ccf5f41ee9144f8c77a5228163968543ae5cc8242c761e69ff8f579e07,2863
+    hackage: scheduler-1.5.0@sha256:8b43f2991bf9a720b12192ba99525f705a44aeae9541a7bd73fbc7e7b56fd8f0,2437
     pantry-tree:
-      sha256: 42fcb8caa4bb53898438209ebf003a1b3b8781c37b0ae16846e00e1c61ab7510
-      size: 838
+      sha256: 18de6354961aab66e7aafb6b7a21edfa2239cd202a61338468ebe0840b826e04
+      size: 921
   original:
-    hackage: scheduler-1.4.2.1@sha256:26fb16ccf5f41ee9144f8c77a5228163968543ae5cc8242c761e69ff8f579e07,2863
+    hackage: scheduler-1.5.0@sha256:8b43f2991bf9a720b12192ba99525f705a44aeae9541a7bd73fbc7e7b56fd8f0,2437
 - completed:
     hackage: HUnit-1.6.2.0@sha256:1a79174e8af616117ad39464cac9de205ca923da6582825e97c10786fda933a4,1588
     pantry-tree:
diff --git a/stack/ghc-8.2.2.yaml b/stack/ghc-8.2.2.yaml
index cf1c962..4d45df8 100644
--- a/stack/ghc-8.2.2.yaml
+++ b/stack/ghc-8.2.2.yaml
@@ -12,4 +12,4 @@ extra-deps:
 - hspec-discover-2.7.1@sha256:e8ce36741c06b41de58069814a7d3b7314bdeaab35ae573e3c924739011e0c29,2243
 - massiv-test-0.1.2@sha256:93df921acadb56f81b35d3117e020e485b3b26c28a99e2053544878c92de2fcb,3859
 - massiv-0.4.5.0@sha256:a0e16ef4503c642cff1bbf686f1c89e87ac3bb6755f4d975ff8b5b8fc27b61db,4611
-- scheduler-1.4.2.1@sha256:26fb16ccf5f41ee9144f8c77a5228163968543ae5cc8242c761e69ff8f579e07,2863
+- scheduler-1.5.0@sha256:8b43f2991bf9a720b12192ba99525f705a44aeae9541a7bd73fbc7e7b56fd8f0,2437