diff --git a/alire.gpr b/alire.gpr
index e93fb04d..476e43c8 100644
--- a/alire.gpr
+++ b/alire.gpr
@@ -1,4 +1,5 @@
-with "semantic_versioning.gpr";
+with "semantic_versioning";
+with "simple_logging";
 
 project Alire is
 
@@ -29,4 +30,3 @@ project Alire is
    end Ide;
 
 end Alire;
-
diff --git a/alire_env.gpr b/alire_env.gpr
index dce70c6b..5715ff9b 100644
--- a/alire_env.gpr
+++ b/alire_env.gpr
@@ -1,6 +1,7 @@
 aggregate project Alire_Env is
 
-   for Project_Path use ("deps/semver");
+   for Project_Path use ("deps/semver",
+                         "deps/simple_logging");
 
    for Project_Files use ("alire.gpr");
 
diff --git a/deps/simple_logging/.gitignore b/deps/simple_logging/.gitignore
new file mode 100644
index 00000000..cd674ece
--- /dev/null
+++ b/deps/simple_logging/.gitignore
@@ -0,0 +1,11 @@
+# Object files
+lib
+obj
+
+# Ada Library Information
+*.ali
+
+# Miscellaneous cruft
+*.cgpr
+*.db
+*.xml
diff --git a/deps/simple_logging/simple_logging.gpr b/deps/simple_logging/simple_logging.gpr
new file mode 100644
index 00000000..2007b920
--- /dev/null
+++ b/deps/simple_logging/simple_logging.gpr
@@ -0,0 +1,22 @@
+project Simple_Logging is
+
+   for Library_Name use "simple_logging";
+   for Library_Version use "0.0.0";
+
+   for Source_Dirs use (".", "src");
+   for Object_Dir use "obj";
+   for Library_Dir use "lib";
+
+   package Builder is
+      for Switches ("ada") use ("-j0", "-g");
+   end Builder;
+
+   package Compiler is
+      for Switches ("ada") use ("-gnatVa", "-gnatwa", "-g", "-O2", "-gnata", "-gnat12", "-gnato", "-fstack-check");
+   end Compiler;
+
+   package Binder is
+      for Switches ("ada") use ("-Es");
+   end Binder;
+
+end Simple_Logging;
diff --git a/deps/simple_logging/simple_logging_alr.gpr b/deps/simple_logging/simple_logging_alr.gpr
new file mode 100644
index 00000000..8bf34f43
--- /dev/null
+++ b/deps/simple_logging/simple_logging_alr.gpr
@@ -0,0 +1,14 @@
+aggregate project Simple_Logging_Alr is
+
+   --  This is an automatically generated file. DO NOT EDIT MANUALLY!
+
+   for Project_Files use ("simple_logging.gpr");
+
+   for Project_Path use (
+      "/home/jano/.cache/alire/projects/alire_0.4.0_da62fcae",
+      "/home/jano/.cache/alire/projects/alr_0.4.0_146fe156",
+      "/home/jano/.cache/alire/projects/semantic_versioning_1.0.0_4f9dd639");
+
+   for external ("ALIRE") use "True";
+
+end Simple_Logging_Alr;
diff --git a/deps/simple_logging/src/simple_logging.adb b/deps/simple_logging/src/simple_logging.adb
new file mode 100644
index 00000000..f2785ebe
--- /dev/null
+++ b/deps/simple_logging/src/simple_logging.adb
@@ -0,0 +1,24 @@
+with GNAT.IO;
+
+package body Simple_Logging is
+
+   function Prefix (Level : Levels) return String is
+     (case Level is
+         when Error => "ERROR: ",
+         when WARNING => "Warning: ",
+         when Info => "",
+         when Detail => "-> ",
+         when Debug => "-->> ");
+
+   ---------
+   -- Log --
+   ---------
+
+   procedure Log (S : String; Level : Levels := Info) is
+   begin
+      if Level <= Simple_Logging.Level then
+         GNAT.IO.Put_Line (Prefix (Level) & S);
+      end if;
+   end Log;
+
+end Simple_Logging;
diff --git a/deps/simple_logging/src/simple_logging.ads b/deps/simple_logging/src/simple_logging.ads
new file mode 100644
index 00000000..fa28e094
--- /dev/null
+++ b/deps/simple_logging/src/simple_logging.ads
@@ -0,0 +1,16 @@
+package Simple_Logging with Preelaborate is
+
+   type Levels is (Error,
+                   Warning,
+                   Info,
+                   Detail,
+                   Debug);
+   --  From most important to less important
+
+   Level : Levels := Info;
+   --  Any message at the same level or below will be output to console
+
+   procedure Log (S : String; Level : Levels := Info);
+   --  Report a log message
+
+end Simple_Logging;