diff --git a/fuzzers/aflplusplus_mutnew/builder.Dockerfile b/fuzzers/aflplusplus_mutnew/builder.Dockerfile
index 7d4da99a6..e8e7c77e8 100644
--- a/fuzzers/aflplusplus_mutnew/builder.Dockerfile
+++ b/fuzzers/aflplusplus_mutnew/builder.Dockerfile
@@ -37,7 +37,7 @@ RUN apt-get update && \
 # Download afl++.
 RUN git clone -b mutationnew https://github.com/AFLplusplus/AFLplusplus /afl && \
     cd /afl && \
-    git checkout 9b2c4a2a5a8e54a80bdb82fee39891fbe42544e8 || \
+    git checkout 6ec70fc0847a0624692e868743080bf4e6935523 || \
     true
 
 # Build without Python support as we don't need it.
diff --git a/service/experiment-requests.yaml b/service/experiment-requests.yaml
index bc761900d..9e3c93c8c 100644
--- a/service/experiment-requests.yaml
+++ b/service/experiment-requests.yaml
@@ -20,7 +20,7 @@
 # Please add new experiment requests towards the top of this file.
 #
 
-- experiment: 2023-06-23-aflpp
+- experiment: 2023-06-09-aflpp
   description: "Benchmark afl++ mutations"
   fuzzers:
     - aflplusplus