diff --git a/backend/canisters/community/CHANGELOG.md b/backend/canisters/community/CHANGELOG.md
index f82f86b8f6..52a815cf32 100644
--- a/backend/canisters/community/CHANGELOG.md
+++ b/backend/canisters/community/CHANGELOG.md
@@ -14,6 +14,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Introduce community `MembersMap` in prep for move to stable memory ([#6966](https://github.com/open-chat-labs/open-chat/pull/6966))
 - Migrate community members to stable memory ([#6967](https://github.com/open-chat-labs/open-chat/pull/6967))
 - Check bot + user permissions when issuing JWT ([#6970](https://github.com/open-chat-labs/open-chat/pull/6970))
+- Reduce size of search index when serialized ([#6973](https://github.com/open-chat-labs/open-chat/pull/6973))
 
 ### Removed
 
diff --git a/backend/canisters/group/CHANGELOG.md b/backend/canisters/group/CHANGELOG.md
index f17b33f01d..a8239f827a 100644
--- a/backend/canisters/group/CHANGELOG.md
+++ b/backend/canisters/group/CHANGELOG.md
@@ -10,6 +10,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 - Re-run member migration to stable memory using reduced size format ([#6965](https://github.com/open-chat-labs/open-chat/pull/6965))
 - Check bot + user permissions when issuing JWT ([#6970](https://github.com/open-chat-labs/open-chat/pull/6970))
+- Reduce size of search index when serialized ([#6973](https://github.com/open-chat-labs/open-chat/pull/6973))
 
 ## [[2.0.1491](https://github.com/open-chat-labs/open-chat/releases/tag/v2.0.1491-group)] - 2024-12-03
 
diff --git a/backend/canisters/user/CHANGELOG.md b/backend/canisters/user/CHANGELOG.md
index 3e0d7cbba2..cf61ed043c 100644
--- a/backend/canisters/user/CHANGELOG.md
+++ b/backend/canisters/user/CHANGELOG.md
@@ -20,6 +20,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Remove chat event updates after 31 days ([#6916](https://github.com/open-chat-labs/open-chat/pull/6916))
 - Make `StableMemoryMap` use strongly typed keys ([#6937](https://github.com/open-chat-labs/open-chat/pull/6937))
 - Disallow sending prize messages to threads ([#6960](https://github.com/open-chat-labs/open-chat/pull/6960))
+- Reduce size of search index when serialized ([#6973](https://github.com/open-chat-labs/open-chat/pull/6973))
 
 ### Removed
 
diff --git a/backend/libraries/search/src/lib.rs b/backend/libraries/search/src/lib.rs
index 88e4c88fd5..10282fcbea 100644
--- a/backend/libraries/search/src/lib.rs
+++ b/backend/libraries/search/src/lib.rs
@@ -7,7 +7,9 @@ pub struct Query {
 
 #[derive(Serialize, Deserialize)]
 pub struct Token {
+    #[serde(rename = "v", alias = "value")]
     pub value: String,
+    #[serde(rename = "l", alias = "value_lower")]
     pub value_lower: String,
 }
 
@@ -31,7 +33,9 @@ impl Query {
 
 #[derive(Serialize, Deserialize)]
 pub struct Field {
+    #[serde(rename = "t", alias = "tokens")]
     tokens: Vec<Token>,
+    #[serde(rename = "w", alias = "weight")]
     weight: f32,
 }
 
@@ -46,6 +50,7 @@ impl Field {
 
 #[derive(Serialize, Deserialize, Default)]
 pub struct Document {
+    #[serde(rename = "f", alias = "fields")]
     fields: Vec<Field>,
 }