diff --git a/scripts/android/build_all.sh b/scripts/android/build_all.sh
index 19e2ec64c..7f448c508 100755
--- a/scripts/android/build_all.sh
+++ b/scripts/android/build_all.sh
@@ -4,7 +4,7 @@ set -e
 
 # libepiccash requires old rust
 source ../rust_version.sh
-set_rust_to_1680
+set_rust_to_1671
 
 mkdir build
 . ./config.sh
diff --git a/scripts/ios/build_all.sh b/scripts/ios/build_all.sh
index 5ff7cb2f4..6b3b6282f 100755
--- a/scripts/ios/build_all.sh
+++ b/scripts/ios/build_all.sh
@@ -4,7 +4,7 @@ set -e
 
 # libepiccash requires old rust
 source ../rust_version.sh
-set_rust_to_1680
+set_rust_to_1671
 
 # ensure ios rust triples are there
 rustup target add aarch64-apple-ios
diff --git a/scripts/linux/build_all.sh b/scripts/linux/build_all.sh
index 9a6ee34d9..672668c13 100755
--- a/scripts/linux/build_all.sh
+++ b/scripts/linux/build_all.sh
@@ -4,7 +4,7 @@ set -e
 
 # libepiccash requires old rust
 source ../rust_version.sh
-set_rust_to_1680
+set_rust_to_1671
 
 # for arm
 # flutter-elinux clean
diff --git a/scripts/macos/build_all.sh b/scripts/macos/build_all.sh
index a91fb73b2..0e086fc71 100755
--- a/scripts/macos/build_all.sh
+++ b/scripts/macos/build_all.sh
@@ -4,7 +4,7 @@ set -e
 
 # libepiccash requires old rust
 source ../rust_version.sh
-set_rust_to_1680
+set_rust_to_1671
 
 (cd ../../crypto_plugins/flutter_liblelantus/scripts/macos && ./build_all.sh ) &
 (cd ../../crypto_plugins/flutter_libepiccash/scripts/macos && ./build_all.sh )  &
diff --git a/scripts/rust_version.sh b/scripts/rust_version.sh
index 91ead188d..8cda1229b 100755
--- a/scripts/rust_version.sh
+++ b/scripts/rust_version.sh
@@ -1,10 +1,10 @@
 #!/bin/sh
 
-set_rust_to_1680() {
-  if rustup toolchain list | grep -q "1.68.0"; then
-    rustup default 1.68.0
+set_rust_to_1671() {
+  if rustup toolchain list | grep -q "1.67.1"; then
+    rustup default 1.67.1
   else
-    echo "Rust version 1.68.0 is not installed. Please install it using 'rustup install 1.68.0'." >&2
+    echo "Rust version 1.67.1 is not installed. Please install it using 'rustup install 1.67.1'." >&2
     exit 1
   fi
 }
diff --git a/scripts/windows/build_all.sh b/scripts/windows/build_all.sh
index 54d340b5e..ee3c1b558 100755
--- a/scripts/windows/build_all.sh
+++ b/scripts/windows/build_all.sh
@@ -4,7 +4,7 @@ set -e
 
 # libepiccash requires old rust
 source ../rust_version.sh
-set_rust_to_1680
+set_rust_to_1671
 
 mkdir -p build
 (cd ../../crypto_plugins/flutter_libepiccash/scripts/windows && ./build_all.sh )  &