diff --git a/src/abacus/Cargo.lock b/src/abacus/Cargo.lock
index 0324a84bb5..fe1f41c9c3 100644
--- a/src/abacus/Cargo.lock
+++ b/src/abacus/Cargo.lock
@@ -14,9 +14,9 @@ checksum = "aae1277d39aeec15cb388266ecc24b11c80469deae6067e17a1a7aa9e5c1f234"
 
 [[package]]
 name = "aho-corasick"
-version = "0.7.15"
+version = "0.7.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7404febffaa47dac81aa44dba71523c9d069b1bdc50a77db41195149e17f68e5"
+checksum = "1e37cfd5e7657ada45f742d6e99ca5788580b5c529dc78faf11ece6dc702656f"
 dependencies = [
  "memchr",
 ]
@@ -1275,9 +1275,9 @@ checksum = "490cc448043f947bae3cbee9c203358d62dbee0db12107a74be5c30ccfd09771"
 
 [[package]]
 name = "memchr"
-version = "2.3.4"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ee1c47aaa256ecabcaea351eae4a9b01ef39ed810004e298d2511ed284b1525"
+checksum = "b16bd47d9e329435e309c58469fe0791c2d0d1ba96ec0954152a5ae2b04387dc"
 
 [[package]]
 name = "memoffset"
@@ -2043,14 +2043,13 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.4.3"
+version = "1.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9251239e129e16308e70d853559389de218ac275b515068abc96829d05b948a"
+checksum = "d07a8629359eb56f1e2fb1652bb04212c072a87ba68546a04065d525673ac461"
 dependencies = [
  "aho-corasick",
  "memchr",
  "regex-syntax",
- "thread_local",
 ]
 
 [[package]]
@@ -2065,9 +2064,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.22"
+version = "0.6.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5eb417147ba9860a96cfe72a0b93bf88fee1744b5636ec99ab20c1aa9376581"
+checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
 
 [[package]]
 name = "remove_dir_all"
@@ -2471,9 +2470,9 @@ dependencies = [
 
 [[package]]
 name = "signedsource"
-version = "0.1.0"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1fc8fd4678445a7b564a251011cb2242919ce46ad2e2f81c98794c591a08d323"
+checksum = "b6697c303f3d981116137affe477e2daa566e2cd2d743a6fb81f1a79910b1260"
 dependencies = [
  "hex",
  "lazy_static",
diff --git a/src/abacus/Cargo.toml b/src/abacus/Cargo.toml
index ceb74e5307..869b961370 100644
--- a/src/abacus/Cargo.toml
+++ b/src/abacus/Cargo.toml
@@ -43,6 +43,6 @@ warp = { version = "0.3.1", default-features = false, features = ["multipart", "
 [dev-dependencies]
 insta = "1.7.1"
 proptest = "1.0.0"
-signedsource = "0.1.0"
+signedsource = "0.2.0"
 tokio = { version = "1.5.0", features = ["full"] }
 valico = "3.6.0"