diff --git a/src/bindgen/cargo/cargo.rs b/src/bindgen/cargo/cargo.rs
index 1718a3d..5470b86 100644
--- a/src/bindgen/cargo/cargo.rs
+++ b/src/bindgen/cargo/cargo.rs
@@ -135,6 +135,26 @@ impl Cargo {
             .map(|dep| {
                 let (dep_name, dep_version) = parse_dep_string(dep);
 
+                // If a version was not specified find the only package with the name of the dependency
+                let dep_version = dep_version.or_else(|| {
+                    let mut versions = self.metadata.packages.iter().filter_map(|package| {
+                        if package.name_and_version.name != dep_name {
+                            return None;
+                        }
+                        package.name_and_version.version.as_ref().map(|v| v.as_str())
+                    });
+
+                    // If the iterator contains more items, meaning multiple versions of the same
+                    // package are present, warn! amd abort.
+                    let version = versions.next();
+                    if versions.next().is_none() {
+                        version
+                    } else {
+                        warn!("when looking for a version for package {}, multiple versions where found", dep_name);
+                        None
+                    }
+                });
+
                 // Try to find the cfgs in the Cargo.toml
                 let cfg = self
                     .metadata
diff --git a/tests/expectations/both/dep_v2.c b/tests/expectations/both/dep_v2.c
new file mode 100644
index 0000000..4012289
--- /dev/null
+++ b/tests/expectations/both/dep_v2.c
@@ -0,0 +1,11 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+typedef struct dep_struct {
+  uint32_t x;
+  double y;
+} dep_struct;
+
+uint32_t get_x(const dep_struct *dep_struct);
diff --git a/tests/expectations/both/dep_v2.compat.c b/tests/expectations/both/dep_v2.compat.c
new file mode 100644
index 0000000..056089e
--- /dev/null
+++ b/tests/expectations/both/dep_v2.compat.c
@@ -0,0 +1,19 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+typedef struct dep_struct {
+  uint32_t x;
+  double y;
+} dep_struct;
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+uint32_t get_x(const dep_struct *dep_struct);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif // __cplusplus
diff --git a/tests/expectations/dep_v2.c b/tests/expectations/dep_v2.c
new file mode 100644
index 0000000..3d2cf8e
--- /dev/null
+++ b/tests/expectations/dep_v2.c
@@ -0,0 +1,11 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+typedef struct {
+  uint32_t x;
+  double y;
+} dep_struct;
+
+uint32_t get_x(const dep_struct *dep_struct);
diff --git a/tests/expectations/dep_v2.compat.c b/tests/expectations/dep_v2.compat.c
new file mode 100644
index 0000000..4dc7fb3
--- /dev/null
+++ b/tests/expectations/dep_v2.compat.c
@@ -0,0 +1,19 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+typedef struct {
+  uint32_t x;
+  double y;
+} dep_struct;
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+uint32_t get_x(const dep_struct *dep_struct);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif // __cplusplus
diff --git a/tests/expectations/dep_v2.cpp b/tests/expectations/dep_v2.cpp
new file mode 100644
index 0000000..f03f098
--- /dev/null
+++ b/tests/expectations/dep_v2.cpp
@@ -0,0 +1,15 @@
+#include <cstdarg>
+#include <cstdint>
+#include <cstdlib>
+#include <new>
+
+struct dep_struct {
+  uint32_t x;
+  double y;
+};
+
+extern "C" {
+
+uint32_t get_x(const dep_struct *dep_struct);
+
+} // extern "C"
diff --git a/tests/expectations/tag/dep_v2.c b/tests/expectations/tag/dep_v2.c
new file mode 100644
index 0000000..45fcba6
--- /dev/null
+++ b/tests/expectations/tag/dep_v2.c
@@ -0,0 +1,11 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+struct dep_struct {
+  uint32_t x;
+  double y;
+};
+
+uint32_t get_x(const struct dep_struct *dep_struct);
diff --git a/tests/expectations/tag/dep_v2.compat.c b/tests/expectations/tag/dep_v2.compat.c
new file mode 100644
index 0000000..344af64
--- /dev/null
+++ b/tests/expectations/tag/dep_v2.compat.c
@@ -0,0 +1,19 @@
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+struct dep_struct {
+  uint32_t x;
+  double y;
+};
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+uint32_t get_x(const struct dep_struct *dep_struct);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif // __cplusplus
diff --git a/tests/rust/dep_v2/Cargo.lock b/tests/rust/dep_v2/Cargo.lock
new file mode 100644
index 0000000..8019bb0
--- /dev/null
+++ b/tests/rust/dep_v2/Cargo.lock
@@ -0,0 +1,12 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "dep"
+version = "0.1.0"
+
+[[package]]
+name = "expand-dep"
+version = "0.1.0"
+dependencies = [
+ "dep",
+]
diff --git a/tests/rust/dep_v2/Cargo.toml b/tests/rust/dep_v2/Cargo.toml
new file mode 100644
index 0000000..40e3e8b
--- /dev/null
+++ b/tests/rust/dep_v2/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "expand-dep"
+version = "0.1.0"
+authors = ["cbindgen"]
+edition = "2018"
+
+[dependencies]
+dep = { path = "dep" }
diff --git a/tests/rust/dep_v2/cbindgen.toml b/tests/rust/dep_v2/cbindgen.toml
new file mode 100644
index 0000000..ac9c278
--- /dev/null
+++ b/tests/rust/dep_v2/cbindgen.toml
@@ -0,0 +1,3 @@
+[parse]
+parse_deps = true
+include = ["dep"]
diff --git a/tests/rust/dep_v2/dep/Cargo.toml b/tests/rust/dep_v2/dep/Cargo.toml
new file mode 100644
index 0000000..1cc8d62
--- /dev/null
+++ b/tests/rust/dep_v2/dep/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "dep"
+version = "0.1.0"
+authors = ["cbindgen"]
+edition = "2018"
+
+[dependencies]
diff --git a/tests/rust/dep_v2/dep/src/lib.rs b/tests/rust/dep_v2/dep/src/lib.rs
new file mode 100644
index 0000000..7253c57
--- /dev/null
+++ b/tests/rust/dep_v2/dep/src/lib.rs
@@ -0,0 +1,5 @@
+#[repr(C)]
+pub struct dep_struct {
+    pub x: u32,
+    pub y: f64,
+}
diff --git a/tests/rust/dep_v2/src/lib.rs b/tests/rust/dep_v2/src/lib.rs
new file mode 100644
index 0000000..639678d
--- /dev/null
+++ b/tests/rust/dep_v2/src/lib.rs
@@ -0,0 +1,6 @@
+use dep::dep_struct;
+
+#[no_mangle]
+pub unsafe extern "C" fn get_x(dep_struct: *const dep_struct) -> u32 {
+    dep_struct.read().x
+}