diff --git a/Cargo.lock b/Cargo.lock
index 7abcf67e..d798ce9b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -173,7 +173,7 @@ dependencies = [
  "insta",
  "json",
  "log",
- "memoffset 0.6.5",
+ "memoffset 0.9.0",
  "petgraph",
  "pulldown-cmark",
  "ra_ap_base_db",
@@ -844,6 +844,15 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "memoffset"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "mio"
 version = "0.8.0"
diff --git a/Cargo.toml b/Cargo.toml
index 79f2ce86..54b2450c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -48,7 +48,7 @@ pulldown-cmark = "0.9.3"
 getopts = "0.2.21"
 
 # security fixes
-memoffset = "0.6.5"    #230
+memoffset = "0.9.0"    #230
 thread_local = "1.1.7" #231
 
 # required by tests