diff --git a/Cargo.lock b/Cargo.lock
index d1faff0..04c92ea 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1171,9 +1171,9 @@ dependencies = [
 
 [[package]]
 name = "ic-stable-structures"
-version = "0.6.5"
+version = "0.6.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03f3044466a69802de74e710dc0300b706a05696a0531c942ca856751a13b0db"
+checksum = "fcaf89c1bc326c72498bcc0cd954f2edf718c018e7c586d2193d701d3c9af29a"
 dependencies = [
  "ic_principal",
 ]