diff --git a/CHANGELOG.md b/CHANGELOG.md
index ca880e6..47cc817 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -59,14 +59,16 @@ Then, update `docker-compose.override.yml` to:
 drc up -d
 sh scripts/reset-elastic.sh
 ```
-## 1.28.5 (TODO)
+## 1.28.5 (2025-01-23)
 ### Frontend
-- Bump to [v1.28.2](https://github.com/lblod/frontend-organization-portal/releases/tag/v1.28.2)
+- Bump to [v1.28.3](https://github.com/lblod/frontend-organization-portal/releases/tag/v1.28.3)
 ### Backend
 - Datafix: correct merger change events for worship organisations (OP-3534)
+- Avoid municipality filter to include partial matches (OP-3509)
 ### Deploy notes
 - `drc restart migrations-triggering-indexing; drc logs -ft --tail=200 migrations-triggering-indexing`
 - `drc pull frontend; drc up -d frontend`
+- Perform a full re-index by executing `./scripts/reset-elastic.sh`
 
 ## 1.28.4 (2025-01-16)
 ### Backend
diff --git a/config/search/config.json b/config/search/config.json
index 643458d..3a5d67e 100644
--- a/config/search/config.json
+++ b/config/search/config.json
@@ -223,7 +223,7 @@
             }
           },
           "organization_municipality": {
-            "type": "text",
+            "type": "keyword",
             "fields": {
               "field": {
                 "type": "keyword",
@@ -385,7 +385,7 @@
             }
           },
           "organization_municipality": {
-            "type": "text",
+            "type": "keyword",
             "fields": {
               "field": {
                 "type": "keyword",
@@ -540,7 +540,7 @@
             }
           },
           "organization_municipality": {
-            "type": "text",
+            "type": "keyword",
             "fields": {
               "field": {
                 "type": "keyword",
@@ -727,7 +727,7 @@
             }
           },
           "organization_municipality": {
-            "type": "text",
+            "type": "keyword",
             "fields": {
               "field": {
                 "type": "keyword",
@@ -880,7 +880,7 @@
             }
           },
           "municipality": {
-            "type": "text",
+            "type": "keyword",
             "fields": {
               "field": {
                 "type": "keyword",
diff --git a/config/search/dev/config.json b/config/search/dev/config.json
index bdb3394..ab1902c 100644
--- a/config/search/dev/config.json
+++ b/config/search/dev/config.json
@@ -195,7 +195,7 @@
             }
           },
           "organization_municipality": {
-            "type": "text",
+            "type": "keyword",
             "fields": {
               "field": {
                 "type": "keyword",
@@ -357,7 +357,7 @@
             }
           },
           "organization_municipality": {
-            "type": "text",
+            "type": "keyword",
             "fields": {
               "field": {
                 "type": "keyword",
@@ -512,7 +512,7 @@
             }
           },
           "organization_municipality": {
-            "type": "text",
+            "type": "keyword",
             "fields": {
               "field": {
                 "type": "keyword",
@@ -700,7 +700,7 @@
             }
           },
           "organization_municipality": {
-            "type": "text",
+            "type": "keyword",
             "fields": {
               "field": {
                 "type": "keyword",
@@ -853,7 +853,7 @@
             }
           },
           "municipality": {
-            "type": "text",
+            "type": "keyword",
             "fields": {
               "field": {
                 "type": "keyword",
diff --git a/docker-compose.yml b/docker-compose.yml
index 1eea382..7f5692e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -179,7 +179,7 @@ services:
     restart: always
     logging: *default-logging
   frontend:
-    image: lblod/frontend-organization-portal:1.28.2
+    image: lblod/frontend-organization-portal:1.28.3
     volumes:
       - ./config/frontend/add-x-frame-options-header.conf:/config/add-x-frame-options.conf
     environment: