diff --git a/cli-core/Cargo.toml b/cli-core/Cargo.toml
index e82f9cbf..7af3988d 100644
--- a/cli-core/Cargo.toml
+++ b/cli-core/Cargo.toml
@@ -26,7 +26,7 @@ lz4-compress = { path = "../lz4-compress" }
 
 [dependencies.nwind]
 git = "https://github.com/nokia/not-perf.git"
-rev = "07e0787"
+rev = "a8537b9"
 
 [dev-dependencies]
 quickcheck = "0.9"
diff --git a/cli-core/src/loader.rs b/cli-core/src/loader.rs
index 2b8087c6..6b6afca9 100644
--- a/cli-core/src/loader.rs
+++ b/cli-core/src/loader.rs
@@ -522,7 +522,7 @@ impl Loader {
 
         self.address_space_needs_reloading = false;
         let binaries = &self.binaries;
-        let debug_info_index = &self.debug_info_index;
+        let debug_info_index = &mut self.debug_info_index;
         let regions: Vec< Region > = self.maps.values().cloned().collect();
         self.address_space.reload( regions, &mut |region, handle| {
             handle.should_load_frame_descriptions( false );
diff --git a/preload/Cargo.toml b/preload/Cargo.toml
index 6c40f23e..324c2b83 100644
--- a/preload/Cargo.toml
+++ b/preload/Cargo.toml
@@ -20,13 +20,13 @@ jemalloc-sys = { path = "../jemallocator/jemalloc-sys", default-features = false
 
 [dependencies.nwind]
 git = "https://github.com/nokia/not-perf.git"
-rev = "07e0787"
+rev = "a8537b9"
 features = ["log", "local-unwinding"]
 default-features = false
 
 [dependencies.perf_event_open]
 git = "https://github.com/nokia/not-perf.git"
-rev = "07e0787"
+rev = "a8537b9"
 
 [dependencies.common]
 path = "../common"