diff --git a/programs/bpf/Cargo.lock b/programs/bpf/Cargo.lock
index d1e1792b49..9a1cdb5f4f 100644
--- a/programs/bpf/Cargo.lock
+++ b/programs/bpf/Cargo.lock
@@ -1278,6 +1278,16 @@ dependencies = [
  "webpki 0.21.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "rustversion"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "ryu"
 version = "1.0.4"
@@ -1710,6 +1720,7 @@ dependencies = [
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_chacha 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustversion 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.112 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_bytes 0.11.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.112 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1729,6 +1740,7 @@ dependencies = [
  "bs58 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustversion 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "syn 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2554,6 +2566,7 @@ dependencies = [
 "checksum rustc-demangle 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "4c691c0e608126e00913e33f0ccf3727d5fc84573623b8d65b2df340b5201783"
 "checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
 "checksum rustls 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c0d4a31f5d68413404705d6982529b0e11a9aacd4839d1d6222ee3b8cb4015e1"
+"checksum rustversion 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "b9bdc5e856e51e685846fb6c13a1f5e5432946c2c90501bdc76a1319f19e29da"
 "checksum ryu 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "ed3d612bc64430efeb3f7ee6ef26d590dce0c43249217bddc62112540c7941e1"
 "checksum same-file 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
 "checksum scopeguard 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
diff --git a/programs/librapay/Cargo.lock b/programs/librapay/Cargo.lock
index 863d27eaed..1d1b68e2bb 100644
--- a/programs/librapay/Cargo.lock
+++ b/programs/librapay/Cargo.lock
@@ -2139,6 +2139,16 @@ dependencies = [
  "webpki 0.21.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "rustversion"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rusty-fork"
 version = "0.2.2"
@@ -2540,6 +2550,7 @@ dependencies = [
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_chacha 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustversion 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.112 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_bytes 0.11.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.112 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2559,6 +2570,7 @@ dependencies = [
  "bs58 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 1.0.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustversion 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "syn 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -4040,6 +4052,7 @@ dependencies = [
 "checksum rustc-demangle 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "4c691c0e608126e00913e33f0ccf3727d5fc84573623b8d65b2df340b5201783"
 "checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
 "checksum rustls 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c0d4a31f5d68413404705d6982529b0e11a9aacd4839d1d6222ee3b8cb4015e1"
+"checksum rustversion 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "b9bdc5e856e51e685846fb6c13a1f5e5432946c2c90501bdc76a1319f19e29da"
 "checksum rusty-fork 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "3dd93264e10c577503e926bd1430193eeb5d21b059148910082245309b424fae"
 "checksum ryu 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "ed3d612bc64430efeb3f7ee6ef26d590dce0c43249217bddc62112540c7941e1"
 "checksum same-file 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
diff --git a/programs/move_loader/Cargo.lock b/programs/move_loader/Cargo.lock
index e0a51c7959..c73421aefa 100644
--- a/programs/move_loader/Cargo.lock
+++ b/programs/move_loader/Cargo.lock
@@ -2214,6 +2214,17 @@ dependencies = [
  "webpki",
 ]
 
+[[package]]
+name = "rustversion"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9bdc5e856e51e685846fb6c13a1f5e5432946c2c90501bdc76a1319f19e29da"
+dependencies = [
+ "proc-macro2 1.0.17",
+ "quote 1.0.6",
+ "syn 1.0.27",
+]
+
 [[package]]
 name = "rusty-fork"
 version = "0.2.2"
@@ -2532,6 +2543,7 @@ dependencies = [
  "rand 0.7.3",
  "rand_chacha 0.2.2",
  "rustc_version",
+ "rustversion",
  "serde",
  "serde_bytes",
  "serde_derive",
@@ -2551,6 +2563,7 @@ dependencies = [
  "bs58 0.3.1",
  "proc-macro2 1.0.17",
  "quote 1.0.6",
+ "rustversion",
  "syn 1.0.27",
 ]