diff --git a/Cargo.lock b/Cargo.lock
index eec5786..bc00575 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -421,9 +421,9 @@ checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
 
 [[package]]
 name = "base64"
-version = "0.21.2"
+version = "0.21.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "604178f6c5c21f02dc555784810edfb88d34ac2c73b2eae109655649ee73ce3d"
+checksum = "9ba43ea6f343b788c8764558649e08df62f86c6ef251fdaeb1ffd010a9ae50a2"
 
 [[package]]
 name = "bimap"
@@ -2080,7 +2080,7 @@ dependencies = [
 name = "holochain-runner"
 version = "0.8.0"
 dependencies = [
- "base64 0.21.2",
+ "base64 0.21.4",
  "contrafact 0.2.0-rc.1",
  "ctrlc",
  "either",
@@ -4828,7 +4828,7 @@ version = "0.11.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cde824a14b7c14f85caff81225f411faacc04a2013f41670f41443742b1c1c55"
 dependencies = [
- "base64 0.21.2",
+ "base64 0.21.4",
  "bytes",
  "encoding_rs",
  "futures-core",
@@ -5093,7 +5093,7 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2d3987094b1d07b653b7dfdc3f70ce9a1da9c51ac18c1b06b662e4f9a0e9f4b2"
 dependencies = [
- "base64 0.21.2",
+ "base64 0.21.4",
 ]
 
 [[package]]
@@ -6325,7 +6325,7 @@ version = "2.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b11c96ac7ee530603dcdf68ed1557050f374ce55a5a07193ebf8cbc9f8927e9"
 dependencies = [
- "base64 0.21.2",
+ "base64 0.21.4",
  "log",
  "once_cell",
  "rustls 0.21.2",