diff --git a/app/src/main/catch_panic/Cargo.toml b/app/src/main/catch_panic/Cargo.toml
index 96f46765b..06786b1b6 100644
--- a/app/src/main/catch_panic/Cargo.toml
+++ b/app/src/main/catch_panic/Cargo.toml
@@ -15,5 +15,5 @@ keywords = ["ffi", "jni", "java"]
 categories = ["api-bindings"]
 
 [dependencies]
-jni = "*"
+jni = "0.19.0"
 catch_panic_macros = { path = "../catch_panic_macros" }
diff --git a/app/src/main/catch_panic_macros/Cargo.toml b/app/src/main/catch_panic_macros/Cargo.toml
index 74d34709c..41f1496f1 100644
--- a/app/src/main/catch_panic_macros/Cargo.toml
+++ b/app/src/main/catch_panic_macros/Cargo.toml
@@ -19,4 +19,4 @@ proc-macro = true
 [dependencies]
 proc-macro2 = "*"
 quote = "*"
-syn = { version = "*", features = ["full"] }
+syn = { version = "1.0.109", features = ["full"] }