diff --git a/CHANGELOG.md b/CHANGELOG.md
index 40c1a8a53d..79ab56307d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,7 @@
 - Upgrade to Worker SDK v14.8.0. [#1458](https://github.com/spatialos/gdk-for-unity/pull/1458)
 - Migrated launch configurations to latest game templates. [#1457](https://github.com/spatialos/gdk-for-unity/pull/1457)
 - Multithreaded component serialization through `SystemBase` jobs. [#1454](https://github.com/spatialos/gdk-for-unity/pull/1454)
+- Upgrade Unity Burst to 1.3.5. [#1467](https://github.com/spatialos/gdk-for-unity/pull/1467)
 
 ### Fixed
 
diff --git a/ci/perf-test.sh b/ci/perf-test.sh
index 218f151c27..e26295b347 100644
--- a/ci/perf-test.sh
+++ b/ci/perf-test.sh
@@ -86,6 +86,10 @@ function main {
 }
 
 function anyMatchingTargets {
+    if ! [[ -z "${PERF_BRANCH_OVERRIDE:-}" ]]; then
+        return 0
+    fi
+
     for configId in `seq ${JOB_ID} ${NUM_JOBS} $((${NUM_CONFIGS}-1))`
     do
         local branchFilter=$(jq -r .[${configId}].branchFilter ${CONFIG_FILE})
@@ -109,9 +113,11 @@ function runTests {
 
     local branchFilter=$(jq -r .[${configId}].branchFilter ${CONFIG_FILE})
 
-    if ! [[ ${BRANCH_NAME} =~ ${branchFilter} ]]; then
-        echo "Skipping target as current branch does not match regex '${branchFilter}'."
-        return
+    if [[ -z "${PERF_BRANCH_OVERRIDE:-}" ]]; then
+        if ! [[ ${BRANCH_NAME} =~ ${branchFilter} ]]; then
+            echo "Skipping target as current branch does not match regex '${branchFilter}'."
+            return
+        fi
     fi
 
     local args=()
diff --git a/workers/unity/Packages/io.improbable.gdk.core/package.json b/workers/unity/Packages/io.improbable.gdk.core/package.json
index 649429451b..06ff21870d 100644
--- a/workers/unity/Packages/io.improbable.gdk.core/package.json
+++ b/workers/unity/Packages/io.improbable.gdk.core/package.json
@@ -9,6 +9,7 @@
     "io.improbable.worker.sdk": "0.3.10",
     "io.improbable.gdk.tools": "0.3.10",
     "io.improbable.gdk.testutils": "0.3.10",
-    "com.unity.entities": "0.14.0-preview.18"
+    "com.unity.entities": "0.14.0-preview.18",
+    "com.unity.burst": "1.3.5"
   }
 }