diff --git a/stack.yaml b/stack.yaml
index f997939fec9..f2a84e43fbd 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -68,7 +68,7 @@ extra-deps:
   # a version > 1.0.0 of wai-middleware-prometheus is available
   # (required: https://github.com/fimad/prometheus-haskell/pull/45)
 - git: https://github.com/wireapp/saml2-web-sso
-  commit: dcbadb18f8ba6ca0e6245bf804405685d3e1cfce  # master (Nov 12, 2020)
+  commit: b27cd4eea1b3dd8e716736f4b0b1f470e1ebbfe9  # master (Feb 16, 2021)
 
 - git: https://github.com/kim/hs-collectd
   commit: 885da222be2375f78c7be36127620ed772b677c9
diff --git a/stack.yaml.lock b/stack.yaml.lock
index 734a8c8aa84..ff2ecdabcb7 100644
--- a/stack.yaml.lock
+++ b/stack.yaml.lock
@@ -22,12 +22,12 @@ packages:
     version: '0.18'
     git: https://github.com/wireapp/saml2-web-sso
     pantry-tree:
-      size: 4657
-      sha256: 1e2e75b602379f564f1feb170a338109d7c19dae89b98d414d83eabda1f6fdb7
-    commit: dcbadb18f8ba6ca0e6245bf804405685d3e1cfce
+      size: 4815
+      sha256: 7b96a5b3027d32c268b1f3ee1133553831101eb6de63be934d2f35ae40e2e6a0
+    commit: b27cd4eea1b3dd8e716736f4b0b1f470e1ebbfe9
   original:
     git: https://github.com/wireapp/saml2-web-sso
-    commit: dcbadb18f8ba6ca0e6245bf804405685d3e1cfce
+    commit: b27cd4eea1b3dd8e716736f4b0b1f470e1ebbfe9
 - completed:
     name: collectd
     version: 0.0.0.2
@@ -598,12 +598,12 @@ packages:
     git: https://github.com/dpwright/HaskellNet-SSL
     commit: ca84ef29a93eaef7673fa58056cdd8dae1568d2d
 - completed:
-    hackage: ormolu-0.1.2.0@sha256:24e6512750576978b6f045c1e53a7aad28ab61960f738a3c74fb0bc2beaf4030,6237
+    hackage: ormolu-0.1.4.1@sha256:2381482127734d1897cdb8a191033ef40e4d1bdc3c9af31bd6ef2b8d5ce5429a,6292
     pantry-tree:
-      size: 71915
-      sha256: 5a857d9bf0e9579ee4daacfb63b4665cdf9e0a0de31d8e0715a27836007e9c42
+      size: 74141
+      sha256: 30493b995b2652a9de3e7f080bd3745b0682c2f578ec8ad441df8fa5615b393f
   original:
-    hackage: ormolu-0.1.2.0
+    hackage: ormolu-0.1.4.1
 - completed:
     hackage: ghc-lib-parser-8.10.1.20200412@sha256:b0517bb150a02957d7180f131f5b94abd2a7f58a7d1532a012e71618282339c2,8751
     pantry-tree: