diff --git a/.github/workflows/check-abi.yml b/.github/workflows/check-abi.yml
index 143cc1960..73665b97e 100644
--- a/.github/workflows/check-abi.yml
+++ b/.github/workflows/check-abi.yml
@@ -24,7 +24,7 @@ jobs:
           rustflags: ""
 
       - name: Install cargo-stylus
-        run: cargo install cargo-stylus@0.6.1
+        run: cargo install --locked --force cargo-stylus@0.6.2
 
       - name: Run export-abi
         run: ./scripts/check-abi.sh
diff --git a/.github/workflows/check-wasm.yml b/.github/workflows/check-wasm.yml
index 394fbf5fc..604364138 100644
--- a/.github/workflows/check-wasm.yml
+++ b/.github/workflows/check-wasm.yml
@@ -25,7 +25,7 @@ jobs:
           rustflags: ""
 
       - name: Install cargo-stylus
-        run: cargo install cargo-stylus@0.6.1
+        run: cargo install --locked --force cargo-stylus@0.6.2
 
       - name: Run wasm check
         run: ./scripts/check-wasm.sh
diff --git a/.github/workflows/e2e-tests.yml b/.github/workflows/e2e-tests.yml
index 9804085e8..2864aa947 100644
--- a/.github/workflows/e2e-tests.yml
+++ b/.github/workflows/e2e-tests.yml
@@ -32,7 +32,7 @@ jobs:
           rustflags: ""
 
       - name: Install cargo-stylus
-        run: cargo install cargo-stylus@0.6.1
+        run: cargo install --locked --force cargo-stylus@0.6.2
 
       - name: Setup nitro node
         run: ./scripts/nitro-testnode.sh -d -i
diff --git a/.github/workflows/gas-bench.yml b/.github/workflows/gas-bench.yml
index 9480d2850..963997cc9 100644
--- a/.github/workflows/gas-bench.yml
+++ b/.github/workflows/gas-bench.yml
@@ -26,7 +26,7 @@ jobs:
           rustflags: ""
 
       - name: Install cargo-stylus
-        run: cargo install cargo-stylus@0.6.1
+        run: cargo install --locked --force cargo-stylus@0.6.2
 
       - name: Install wasm-opt
         run: cargo install wasm-opt@0.116.1
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 99dfc3321..8a3e86eec 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+### Fixed
+
+- `AdminChanged` event parameters no longer indexed. #794
+
 ## [v0.3.0-rc.1] - 2025-08-07
 
 ### Added
diff --git a/contracts/src/proxy/erc1967/mod.rs b/contracts/src/proxy/erc1967/mod.rs
index 005671ea5..c3ce46fe3 100644
--- a/contracts/src/proxy/erc1967/mod.rs
+++ b/contracts/src/proxy/erc1967/mod.rs
@@ -30,7 +30,7 @@ mod sol {
         /// Emitted when the admin account has changed.
         #[derive(Debug)]
         #[allow(missing_docs)]
-        event AdminChanged(address indexed previous_admin, address indexed new_admin);
+        event AdminChanged(address previous_admin, address new_admin);
 
         /// Emitted when the beacon is changed.
         #[derive(Debug)]