diff --git a/Cargo.toml b/Cargo.toml
index ebfc2f1a3..26454d818 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ clap = "^2.23.3"
 daemonize = "^0.2.3"
 serde = "~1.0.8"
 serde_derive = "~1.0.8"
-serde_json = "~1.0.2"
+serde_json = "=1.0.7"
 slog = { version = "^2.0.12", features = ["max_level_trace", "release_max_level_trace"] }
 
 # TODO - once "patch" is available we should be able to clean up the workspace dependencies
diff --git a/api/Cargo.toml b/api/Cargo.toml
index 22aa7b0a8..ad6556e74 100644
--- a/api/Cargo.toml
+++ b/api/Cargo.toml
@@ -21,4 +21,4 @@ mount = "~0.3.0"
 urlencoded = "~0.5.0"
 serde = "~1.0.8"
 serde_derive = "~1.0.8"
-serde_json = "~1.0.2"
+serde_json = "=1.0.7"
diff --git a/grin/Cargo.toml b/grin/Cargo.toml
index 3b3b31e4d..5c75dcd1c 100644
--- a/grin/Cargo.toml
+++ b/grin/Cargo.toml
@@ -23,7 +23,7 @@ slog = { version = "^2.0.12", features = ["max_level_trace", "release_max_level_
 time = "^0.1"
 serde = "~1.0.8"
 serde_derive = "~1.0.8"
-serde_json = "~1.0.2"
+serde_json = "=1.0.7"
 tokio-core="~0.1.1"
 tokio-timer="~0.1.0"
 rand = "^0.3"
diff --git a/keychain/Cargo.toml b/keychain/Cargo.toml
index b7af88dec..365ebf1d9 100644
--- a/keychain/Cargo.toml
+++ b/keychain/Cargo.toml
@@ -10,5 +10,5 @@ rand = "~0.3"
 slog = { version = "^2.0.12", features = ["max_level_trace", "release_max_level_trace"] }
 serde = "~1.0.8"
 serde_derive = "~1.0.8"
-serde_json = "~1.0.3"
+serde_json = "=1.0.7"
 grin_util = { path = "../util" }
diff --git a/wallet/Cargo.toml b/wallet/Cargo.toml
index 7d7638201..18f83e96d 100644
--- a/wallet/Cargo.toml
+++ b/wallet/Cargo.toml
@@ -15,7 +15,7 @@ rand = "^0.3"
 blake2-rfc = "~0.2.17"
 serde = "~1.0.8"
 serde_derive = "~1.0.8"
-serde_json = "~1.0.2"
+serde_json = "=1.0.7"
 bodyparser = "~0.7.0"
 futures = "^0.1.15"
 iron = "~0.5.1"