diff --git a/test/fuzztest/datatransmitmgr/datatransmitmgr_fuzzer/project.xml b/test/fuzztest/datatransmitmgr/datatransmitmgr_fuzzer/project.xml
index db52ac0989203364c009b2b1c0025afff037d378..833d01c67faa7f377c66c9dfa9cf0e40e6fa78b2 100644
--- a/test/fuzztest/datatransmitmgr/datatransmitmgr_fuzzer/project.xml
+++ b/test/fuzztest/datatransmitmgr/datatransmitmgr_fuzzer/project.xml
@@ -18,7 +18,7 @@
     <!-- maximum length of a test input -->
     <max_len>1000</max_len>
     <!-- maximum total time in seconds to run the fuzzer -->
-    <max_total_time>30</max_total_time>
+    <max_total_time>300</max_total_time>
     <!-- memory usage limit in Mb -->
     <rss_limit_mb>4096</rss_limit_mb>
   </fuzztest>