diff --git a/Cargo.lock b/Cargo.lock
index 64c7ef9543..ba74c40241 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -524,7 +524,7 @@ dependencies = [
 
 [[package]]
 name = "flowc"
-version = "0.46.0"
+version = "0.50.0"
 dependencies = [
  "clap",
  "colored",
@@ -544,7 +544,7 @@ dependencies = [
 
 [[package]]
 name = "flowcore"
-version = "0.45.0"
+version = "0.50.0"
 dependencies = [
  "curl",
  "error-chain 0.12.4",
@@ -561,7 +561,7 @@ dependencies = [
 
 [[package]]
 name = "flowmacro"
-version = "0.45.0"
+version = "0.50.0"
 dependencies = [
  "flowcore",
  "proc-macro2",
@@ -572,7 +572,7 @@ dependencies = [
 
 [[package]]
 name = "flowr"
-version = "0.46.0"
+version = "0.50.0"
 dependencies = [
  "anyhow",
  "clap",
@@ -600,7 +600,7 @@ dependencies = [
 
 [[package]]
 name = "flowrlib"
-version = "0.46.0"
+version = "0.50.0"
 dependencies = [
  "anyhow",
  "error-chain 0.12.4",
@@ -620,14 +620,14 @@ dependencies = [
 
 [[package]]
 name = "flowsamples"
-version = "0.47.0"
+version = "0.50.0"
 dependencies = [
  "serial_test",
 ]
 
 [[package]]
 name = "flowstdlib"
-version = "0.46.0"
+version = "0.50.0"
 dependencies = [
  "error-chain 0.12.4",
  "flowcore",
diff --git a/flowc/Cargo.toml b/flowc/Cargo.toml
index 4c6f2f9ebb..6b423f5113 100644
--- a/flowc/Cargo.toml
+++ b/flowc/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "flowc"
-version = "0.46.0"
+version = "0.50.0"
 authors = ["Andrew Mackenzie <andrew@mackenzie-serres.net>"]
 description = "A compiler for 'flow' programs"
 license = "MIT"
@@ -22,7 +22,7 @@ default = ["debugger"]
 debugger = ["flowcore/debugger"] # feature to add output for the debugger
 
 [dependencies]
-flowcore = {path = "../flowcore", version = "0.45.0"}
+flowcore = {path = "../flowcore", version = "0.50.0"}
 clap = "~2"
 simplog = { version = "~1.5" }
 log = "0.4.6"
diff --git a/flowcore/Cargo.toml b/flowcore/Cargo.toml
index 61652d873a..106be2e1e4 100644
--- a/flowcore/Cargo.toml
+++ b/flowcore/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "flowcore"
-version = "0.45.0"
+version = "0.50.0"
 authors = ["Andrew Mackenzie <andrew@mackenzie-serres.net>"]
 description = "Structures shared between runtime and clients"
 license = "MIT"
diff --git a/flowmacro/Cargo.toml b/flowmacro/Cargo.toml
index 7cd367c990..4ea9dd5bdb 100644
--- a/flowmacro/Cargo.toml
+++ b/flowmacro/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "flowmacro"
-version = "0.45.0"
+version = "0.50.0"
 description = "Definition of a 'flow' attribute macro to help write implementations"
 license = "MIT"
 documentation = "https://github.com/andrewdavidmackenzie/flow/flowmacro/README.md"
@@ -19,6 +19,6 @@ proc-macro = true
 [dependencies]
 syn = { version = "~1.0", features =["full"] } #Full is required for ItemFn in macro parsing
 quote = "~1.0"
-flowcore = {path = "../flowcore", version = "0.45.0"}
+flowcore = {path = "../flowcore", version = "0.50.0"}
 toml = "0.5.8"
 proc-macro2 = "1.0"
diff --git a/flowr/Cargo.toml b/flowr/Cargo.toml
index e3c77c220b..83435a7a8a 100644
--- a/flowr/Cargo.toml
+++ b/flowr/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "flowr"
-version = "0.46.0"
+version = "0.50.0"
 authors = ["Andrew Mackenzie <andrew@mackenzie-serres.net>"]
 description = "A runner for compiled 'flow' programs"
 license = "MIT"
@@ -25,8 +25,8 @@ debugger = ["flowrlib/debugger", "flowcore/debugger", "rustyline"] # feature to
 metrics = ["flowrlib/metrics"]  # feature for tracking of metrics during execution - requires flowrlib with metrics also
 
 [dependencies]
-flowcore = {path = "../flowcore", version = "0.45.0"}
-flowrlib = {path = "../flowrlib", version = "0.46.0"}
+flowcore = {path = "../flowcore", version = "0.50.0"}
+flowrlib = {path = "../flowrlib", version = "0.50.0"}
 clap = "~2"
 simplog = { version = "~1.5" }
 log = "0.4.6"
@@ -44,7 +44,7 @@ simpdiscover = "~0.3"
 zmq = "0.9.2"
 
 # Optional dependencies
-flowstdlib = {path = "../flowstdlib", version = "0.46.0", optional = true }
+flowstdlib = {path = "../flowstdlib", version = "0.50.0", optional = true }
 rustyline = {version = "9.0.0", optional = true }
 anyhow = { version = "1.0", optional = true}
 
diff --git a/flowrlib/Cargo.toml b/flowrlib/Cargo.toml
index ba7873b36b..47176c6d18 100644
--- a/flowrlib/Cargo.toml
+++ b/flowrlib/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "flowrlib"
-version = "0.46.0"
+version = "0.50.0"
 authors = ["Andrew Mackenzie <andrew@mackenzie-serres.net>"]
 description = "Flow Runner Library (flowrlib) for 'flow' programs"
 license = "MIT"
@@ -25,7 +25,7 @@ wasmi_runtime = ["wasmi"] # First WASM implementation
 wasmtime_runtime = ["wasmtime", "anyhow"] # An alternative WASM implementation
 
 [dependencies]
-flowcore = {path = "../flowcore", version = "0.45.0"}
+flowcore = {path = "../flowcore", version = "0.50.0"}
 log = "0.4.6"
 url = { version = "2.2", features = ["serde"] }
 serde_derive = "~1.0.27"
diff --git a/flowsamples/Cargo.toml b/flowsamples/Cargo.toml
index 0898baff6b..22167faf48 100644
--- a/flowsamples/Cargo.toml
+++ b/flowsamples/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "flowsamples"
-version = "0.47.0"
+version = "0.50.0"
 authors = ["Andrew Mackenzie <andrew@mackenzie-serres.net>"]
 readme = "README.md"
 description = "A set of sample 'flow' programs"
diff --git a/flowstdlib/Cargo.toml b/flowstdlib/Cargo.toml
index 32461eb23b..c257567180 100644
--- a/flowstdlib/Cargo.toml
+++ b/flowstdlib/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "flowstdlib"
-version = "0.46.0"
+version = "0.50.0"
 authors = ["Andrew Mackenzie <andrew@mackenzie-serres.net>"]
 description = "The standard library of functions and flows for 'flow' programs"
 license = "MIT"
@@ -28,8 +28,8 @@ native = []
 wasm = []
 
 [dependencies]
-flowmacro = {path = "../flowmacro", version = "0.45.0" }
-flowcore = {path = "../flowcore", version = "0.45.0" }
+flowmacro = {path = "../flowmacro", version = "0.50.0" }
+flowcore = {path = "../flowcore", version = "0.50.0" }
 simpath = { version = "~2.3", features = ["urls"]}
 url = { version = "2.2", features = ["serde"] }
 serde_json = "1.0"