diff --git a/.github/workflows/downstream.yml b/.github/workflows/downstream.yml
index f5ed6474..1c1a553e 100644
--- a/.github/workflows/downstream.yml
+++ b/.github/workflows/downstream.yml
@@ -38,6 +38,6 @@ jobs:
         working-directory: holidays
         run: make generate
 
-      - name: Run smoke tests
+      - name: Run contract tests
         working-directory: holidays
-        run: make test-smoke
+        run: make test-contract
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0a6c2f7d..c53940e6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Holiday definitions
 
+## 6.1.1
+
+* Fix `fr` test cases to match Pentecôte/Lundi de Pentecôte informal swap introduced in 6.1.0
+* Fix `mc` Toussaint missing `observed` modifier and correct observed-day test cases
+* Run contract tests (smoke + generated definition tests) in downstream CI instead of smoke-only
+
 ## 6.1.0
 
 * Introduce `mc` (Monaco) region (thanks to https://github.com/abenhamdine)
diff --git a/VERSION.txt b/VERSION.txt
index dfda3e0b..132c6def 100644
--- a/VERSION.txt
+++ b/VERSION.txt
@@ -1 +1 @@
-6.1.0
+6.1.1
\ No newline at end of file
diff --git a/fr.yaml b/fr.yaml
index ddb34375..0018a86e 100644
--- a/fr.yaml
+++ b/fr.yaml
@@ -101,7 +101,7 @@ tests:
       date: '2007-05-27'
       regions: ["fr"]
     expect:
-      name: "Pentecôte"
+      holiday: false
   - given:
       date: '2007-07-14'
       regions: ["fr"]
@@ -136,7 +136,7 @@ tests:
       date: '2007-05-28'
       regions: ["fr"]
     expect:
-      holiday: false
+      name: "Lundi de Pentecôte"
   - given:
       date: '2007-04-08'
       regions: ["fr"]
@@ -144,11 +144,11 @@ tests:
     expect:
       name: "Pâques"
   - given:
-      date: '2007-05-28'
+      date: '2007-05-27'
       regions: ["fr"]
       options: ["informal"]
     expect:
-      name: "Lundi de Pentecôte"
+      name: "Pentecôte"
   - given:
       date: '2017-12-26'
       regions: ["fr_a", "fr_m"]
diff --git a/mc.yaml b/mc.yaml
index eb5b998f..61c080b9 100644
--- a/mc.yaml
+++ b/mc.yaml
@@ -44,6 +44,7 @@ months:
   - name: Toussaint
     regions: [mc]
     mday: 1
+    observed: to_monday_if_sunday(date)
   - name: Fête du Prince
     regions: [mc]
     mday: 19
@@ -127,6 +128,7 @@ tests:
   - given:
       date: '2024-12-09'
       regions: ["mc"]
+      options: ["observed"]
     expect:
       name: "Immaculée Conception"
   # 2025: Nov 1 is Saturday.
@@ -139,5 +141,6 @@ tests:
   - given:
       date: '2026-11-02'
       regions: ["mc"]
+      options: ["observed"]
     expect:
       name: "Toussaint"