diff --git a/src/archives/mod.rs b/src/archives/mod.rs
index f118420..6a27da9 100644
--- a/src/archives/mod.rs
+++ b/src/archives/mod.rs
@@ -16,7 +16,7 @@ pub trait Archive<'a> {
     /// func: iterator value, max size, file name, file contents
     fn for_each(
         &mut self,
-        func: &mut FnMut(usize, Option<usize>, PathBuf, &mut Read) -> Result<(), String>,
+        func: &mut dyn FnMut(usize, Option<usize>, PathBuf, &mut dyn Read) -> Result<(), String>,
     ) -> Result<(), String>;
 }
 
@@ -27,7 +27,7 @@ struct ZipArchive<'a> {
 impl<'a> Archive<'a> for ZipArchive<'a> {
     fn for_each(
         &mut self,
-        func: &mut FnMut(usize, Option<usize>, PathBuf, &mut Read) -> Result<(), String>,
+        func: &mut dyn FnMut(usize, Option<usize>, PathBuf, &mut dyn Read) -> Result<(), String>,
     ) -> Result<(), String> {
         let max = self.archive.len();
 
@@ -49,13 +49,13 @@ impl<'a> Archive<'a> for ZipArchive<'a> {
 }
 
 struct TarArchive<'a> {
-    archive: UpstreamTarArchive<Box<Read + 'a>>,
+    archive: UpstreamTarArchive<Box<dyn Read + 'a>>,
 }
 
 impl<'a> Archive<'a> for TarArchive<'a> {
     fn for_each(
         &mut self,
-        func: &mut FnMut(usize, Option<usize>, PathBuf, &mut Read) -> Result<(), String>,
+        func: &mut dyn FnMut(usize, Option<usize>, PathBuf, &mut dyn Read) -> Result<(), String>,
     ) -> Result<(), String> {
         let entries = self
             .archive
@@ -83,7 +83,7 @@ impl<'a> Archive<'a> for TarArchive<'a> {
 }
 
 /// Reads the named archive with an archive implementation.
-pub fn read_archive<'a>(name: &str, data: &'a [u8]) -> Result<Box<Archive<'a> + 'a>, String> {
+pub fn read_archive<'a>(name: &str, data: &'a [u8]) -> Result<Box<dyn Archive<'a> + 'a>, String> {
     if name.ends_with(".zip") {
         // Decompress a .zip file
         let archive = UpstreamZipArchive::new(Cursor::new(data))
@@ -98,7 +98,7 @@ pub fn read_archive<'a>(name: &str, data: &'a [u8]) -> Result<Box<Archive<'a> +
             .read_to_end(&mut decompressed_data)
             .map_err(|x| format!("Failed to decompress data: {:?}", x))?;
 
-        let decompressed_contents: Box<Read> = Box::new(Cursor::new(decompressed_data));
+        let decompressed_contents: Box<dyn Read> = Box::new(Cursor::new(decompressed_data));
 
         let tar = UpstreamTarArchive::new(decompressed_contents);
 
diff --git a/src/frontend/rest/services/mod.rs b/src/frontend/rest/services/mod.rs
index 72943fb..c7ce3b8 100644
--- a/src/frontend/rest/services/mod.rs
+++ b/src/frontend/rest/services/mod.rs
@@ -41,7 +41,7 @@ pub type Response = hyper::server::Response;
 pub type Error = hyper::Error;
 
 /// The return type used by function calls to the web server.
-pub type Future = Box<futures::Future<Item = Response, Error = Error>>;
+pub type Future = Box<dyn futures::Future<Item = Response, Error = Error>>;
 
 /// If advanced functionality is not needed, return a default instant future.
 pub fn default_future(response: Response) -> Future {
diff --git a/src/sources/mod.rs b/src/sources/mod.rs
index 08e6a71..345ffa6 100644
--- a/src/sources/mod.rs
+++ b/src/sources/mod.rs
@@ -9,7 +9,7 @@ pub mod github;
 use self::types::ReleaseSource;
 
 /// Returns a ReleaseSource by a name, if possible
-pub fn get_by_name(name: &str) -> Option<Box<ReleaseSource>> {
+pub fn get_by_name(name: &str) -> Option<Box<dyn ReleaseSource>> {
     match name {
         "github" => Some(Box::new(github::GithubReleases::new())),
         _ => None,
diff --git a/src/tasks/download_pkg.rs b/src/tasks/download_pkg.rs
index 8c9f322..0817dc4 100644
--- a/src/tasks/download_pkg.rs
+++ b/src/tasks/download_pkg.rs
@@ -25,7 +25,7 @@ impl Task for DownloadPackageTask {
         &mut self,
         mut input: Vec<TaskParamType>,
         context: &mut InstallerFramework,
-        messenger: &Fn(&TaskMessage),
+        messenger: &dyn Fn(&TaskMessage),
     ) -> Result<TaskParamType, String> {
         assert_eq!(input.len(), 1);
 
diff --git a/src/tasks/ensure_only_instance.rs b/src/tasks/ensure_only_instance.rs
index a9c34f1..00936db 100644
--- a/src/tasks/ensure_only_instance.rs
+++ b/src/tasks/ensure_only_instance.rs
@@ -19,7 +19,7 @@ impl Task for EnsureOnlyInstanceTask {
         &mut self,
         input: Vec<TaskParamType>,
         context: &mut InstallerFramework,
-        _messenger: &Fn(&TaskMessage),
+        _messenger: &dyn Fn(&TaskMessage),
     ) -> Result<TaskParamType, String> {
         assert_eq!(input.len(), 0);
 
diff --git a/src/tasks/install.rs b/src/tasks/install.rs
index 47562f7..ca5146a 100644
--- a/src/tasks/install.rs
+++ b/src/tasks/install.rs
@@ -26,7 +26,7 @@ impl Task for InstallTask {
         &mut self,
         _: Vec<TaskParamType>,
         _: &mut InstallerFramework,
-        messenger: &Fn(&TaskMessage),
+        messenger: &dyn Fn(&TaskMessage),
     ) -> Result<TaskParamType, String> {
         messenger(&TaskMessage::DisplayMessage("Wrapping up...", 0.0));
         Ok(TaskParamType::None)
diff --git a/src/tasks/install_dir.rs b/src/tasks/install_dir.rs
index d5d8f93..681d57a 100644
--- a/src/tasks/install_dir.rs
+++ b/src/tasks/install_dir.rs
@@ -21,7 +21,7 @@ impl Task for VerifyInstallDirTask {
         &mut self,
         input: Vec<TaskParamType>,
         context: &mut InstallerFramework,
-        messenger: &Fn(&TaskMessage),
+        messenger: &dyn Fn(&TaskMessage),
     ) -> Result<TaskParamType, String> {
         assert_eq!(input.len(), 0);
         messenger(&TaskMessage::DisplayMessage(
diff --git a/src/tasks/install_global_shortcut.rs b/src/tasks/install_global_shortcut.rs
index 64ffe8e..26013e4 100644
--- a/src/tasks/install_global_shortcut.rs
+++ b/src/tasks/install_global_shortcut.rs
@@ -20,7 +20,7 @@ impl Task for InstallGlobalShortcutsTask {
         &mut self,
         _: Vec<TaskParamType>,
         context: &mut InstallerFramework,
-        messenger: &Fn(&TaskMessage),
+        messenger: &dyn Fn(&TaskMessage),
     ) -> Result<TaskParamType, String> {
         messenger(&TaskMessage::DisplayMessage(
             "Generating global shortcut...",
diff --git a/src/tasks/install_pkg.rs b/src/tasks/install_pkg.rs
index 9f42d21..c2f2750 100644
--- a/src/tasks/install_pkg.rs
+++ b/src/tasks/install_pkg.rs
@@ -34,7 +34,7 @@ impl Task for InstallPackageTask {
         &mut self,
         mut input: Vec<TaskParamType>,
         context: &mut InstallerFramework,
-        messenger: &Fn(&TaskMessage),
+        messenger: &dyn Fn(&TaskMessage),
     ) -> Result<TaskParamType, String> {
         messenger(&TaskMessage::DisplayMessage(
             &format!("Installing package {:?}...", self.name),
diff --git a/src/tasks/install_shortcuts.rs b/src/tasks/install_shortcuts.rs
index c2f03e6..e9c3986 100644
--- a/src/tasks/install_shortcuts.rs
+++ b/src/tasks/install_shortcuts.rs
@@ -22,7 +22,7 @@ impl Task for InstallShortcutsTask {
         &mut self,
         _: Vec<TaskParamType>,
         context: &mut InstallerFramework,
-        messenger: &Fn(&TaskMessage),
+        messenger: &dyn Fn(&TaskMessage),
     ) -> Result<TaskParamType, String> {
         messenger(&TaskMessage::DisplayMessage(
             &format!("Generating shortcuts for package {:?}...", self.name),
diff --git a/src/tasks/mod.rs b/src/tasks/mod.rs
index 294809e..ed6154b 100644
--- a/src/tasks/mod.rs
+++ b/src/tasks/mod.rs
@@ -49,12 +49,12 @@ pub enum TaskOrdering {
 /// A dependency of a task with various properties.
 pub struct TaskDependency {
     ordering: TaskOrdering,
-    task: Box<Task>,
+    task: Box<dyn Task>,
 }
 
 impl TaskDependency {
     /// Builds a new dependency from the specified task.
-    pub fn build(ordering: TaskOrdering, task: Box<Task>) -> TaskDependency {
+    pub fn build(ordering: TaskOrdering, task: Box<dyn Task>) -> TaskDependency {
         TaskDependency { ordering, task }
     }
 }
@@ -74,7 +74,7 @@ pub trait Task {
         &mut self,
         input: Vec<TaskParamType>,
         context: &mut InstallerFramework,
-        messenger: &Fn(&TaskMessage),
+        messenger: &dyn Fn(&TaskMessage),
     ) -> Result<TaskParamType, String>;
 
     /// Returns a vector containing all dependencies that need to be executed
@@ -87,7 +87,7 @@ pub trait Task {
 
 /// The dependency tree allows for smart iteration on a Task struct.
 pub struct DependencyTree {
-    task: Box<Task>,
+    task: Box<dyn Task>,
     dependencies: Vec<(TaskOrdering, DependencyTree)>,
 }
 
@@ -120,7 +120,7 @@ impl DependencyTree {
     pub fn execute(
         &mut self,
         context: &mut InstallerFramework,
-        messenger: &Fn(&TaskMessage),
+        messenger: &dyn Fn(&TaskMessage),
     ) -> Result<TaskParamType, String> {
         let total_tasks = (self.dependencies.len() + 1) as f64;
 
@@ -206,7 +206,7 @@ impl DependencyTree {
     }
 
     /// Builds a new pipeline from the specified task, iterating on dependencies.
-    pub fn build(task: Box<Task>) -> DependencyTree {
+    pub fn build(task: Box<dyn Task>) -> DependencyTree {
         let dependencies = task
             .dependencies()
             .into_iter()
diff --git a/src/tasks/resolver.rs b/src/tasks/resolver.rs
index b94cf09..8c4cb88 100644
--- a/src/tasks/resolver.rs
+++ b/src/tasks/resolver.rs
@@ -24,7 +24,7 @@ impl Task for ResolvePackageTask {
         &mut self,
         input: Vec<TaskParamType>,
         context: &mut InstallerFramework,
-        messenger: &Fn(&TaskMessage),
+        messenger: &dyn Fn(&TaskMessage),
     ) -> Result<TaskParamType, String> {
         assert_eq!(input.len(), 0);
         let mut metadata: Option<PackageDescription> = None;
diff --git a/src/tasks/save_database.rs b/src/tasks/save_database.rs
index ef23137..b216786 100644
--- a/src/tasks/save_database.rs
+++ b/src/tasks/save_database.rs
@@ -14,7 +14,7 @@ impl Task for SaveDatabaseTask {
         &mut self,
         input: Vec<TaskParamType>,
         context: &mut InstallerFramework,
-        messenger: &Fn(&TaskMessage),
+        messenger: &dyn Fn(&TaskMessage),
     ) -> Result<TaskParamType, String> {
         assert_eq!(input.len(), 0);
         messenger(&TaskMessage::DisplayMessage(
diff --git a/src/tasks/save_executable.rs b/src/tasks/save_executable.rs
index 6401b07..24e3360 100644
--- a/src/tasks/save_executable.rs
+++ b/src/tasks/save_executable.rs
@@ -23,7 +23,7 @@ impl Task for SaveExecutableTask {
         &mut self,
         input: Vec<TaskParamType>,
         context: &mut InstallerFramework,
-        messenger: &Fn(&TaskMessage),
+        messenger: &dyn Fn(&TaskMessage),
     ) -> Result<TaskParamType, String> {
         assert_eq!(input.len(), 0);
         messenger(&TaskMessage::DisplayMessage(
diff --git a/src/tasks/uninstall.rs b/src/tasks/uninstall.rs
index 5e166bf..e716e94 100644
--- a/src/tasks/uninstall.rs
+++ b/src/tasks/uninstall.rs
@@ -19,7 +19,7 @@ impl Task for UninstallTask {
         &mut self,
         _: Vec<TaskParamType>,
         _: &mut InstallerFramework,
-        messenger: &Fn(&TaskMessage),
+        messenger: &dyn Fn(&TaskMessage),
     ) -> Result<TaskParamType, String> {
         messenger(&TaskMessage::DisplayMessage("Wrapping up...", 0.0));
         Ok(TaskParamType::None)
diff --git a/src/tasks/uninstall_global_shortcut.rs b/src/tasks/uninstall_global_shortcut.rs
index d5d4733..5edd620 100644
--- a/src/tasks/uninstall_global_shortcut.rs
+++ b/src/tasks/uninstall_global_shortcut.rs
@@ -18,7 +18,7 @@ impl Task for UninstallGlobalShortcutsTask {
         &mut self,
         input: Vec<TaskParamType>,
         context: &mut InstallerFramework,
-        messenger: &Fn(&TaskMessage),
+        messenger: &dyn Fn(&TaskMessage),
     ) -> Result<TaskParamType, String> {
         assert_eq!(input.len(), 0);
 
diff --git a/src/tasks/uninstall_pkg.rs b/src/tasks/uninstall_pkg.rs
index 391df0c..6d0c937 100644
--- a/src/tasks/uninstall_pkg.rs
+++ b/src/tasks/uninstall_pkg.rs
@@ -27,7 +27,7 @@ impl Task for UninstallPackageTask {
         &mut self,
         input: Vec<TaskParamType>,
         context: &mut InstallerFramework,
-        messenger: &Fn(&TaskMessage),
+        messenger: &dyn Fn(&TaskMessage),
     ) -> Result<TaskParamType, String> {
         assert_eq!(input.len(), 1);
 
diff --git a/src/tasks/uninstall_shortcuts.rs b/src/tasks/uninstall_shortcuts.rs
index 4dfe70c..b9dff68 100644
--- a/src/tasks/uninstall_shortcuts.rs
+++ b/src/tasks/uninstall_shortcuts.rs
@@ -24,7 +24,7 @@ impl Task for UninstallShortcutsTask {
         &mut self,
         input: Vec<TaskParamType>,
         context: &mut InstallerFramework,
-        messenger: &Fn(&TaskMessage),
+        messenger: &dyn Fn(&TaskMessage),
     ) -> Result<TaskParamType, String> {
         assert_eq!(input.len(), 0);