diff --git a/aoc25.cabal b/aoc25.cabal
index 9114f1e..d93591f 100644
--- a/aoc25.cabal
+++ b/aoc25.cabal
@@ -53,27 +53,52 @@ extra-doc-files:    CHANGELOG.md
 common warnings
     ghc-options: -Wall
 
-executable aoc25
-    -- Import common warning flags.
+executable day1
     import:           warnings
-
-    -- .hs or .lhs file containing the Main module.
-    main-is:          Main.hs
-
-    -- Modules included in this executable, other than Main.
-    -- other-modules:
-
-    -- LANGUAGE extensions used by modules in this package.
-    -- other-extensions:
-
-    -- Other library packages from which modules are imported.
+    main-is:          Day1.hs
     build-depends:    base ^>=4.20.2,
                       containers >= 0.6.7
-
-    -- Directories containing source files.
     hs-source-dirs:   app
+    default-language: GHC2021
 
-    -- Base language which the package is written in.
+executable day2
+    import:           warnings
+    main-is:          Day2.hs
+    build-depends:    base ^>=4.20.2,
+                      containers >= 0.6.7
+    hs-source-dirs:   app
+    default-language: GHC2021
+
+executable day3
+    import:           warnings
+    main-is:          Day3.hs
+    build-depends:    base ^>=4.20.2,
+                      containers >= 0.6.7
+    hs-source-dirs:   app
+    default-language: GHC2021
+
+executable day4
+    import:           warnings
+    main-is:          Day4.hs
+    build-depends:    base ^>=4.20.2,
+                      containers >= 0.6.7
+    hs-source-dirs:   app
+    default-language: GHC2021
+
+executable day5
+    import:           warnings
+    main-is:          Day5.hs
+    build-depends:    base ^>=4.20.2,
+                      containers >= 0.6.7
+    hs-source-dirs:   app
+    default-language: GHC2021
+
+executable day6
+    import:           warnings
+    main-is:          Day6.hs
+    build-depends:    base ^>=4.20.2,
+                      containers >= 0.6.7
+    hs-source-dirs:   app
     default-language: GHC2021
 
 executable day7
@@ -91,3 +116,11 @@ executable day8
                       containers >= 0.6.7
     hs-source-dirs:   app
     default-language: GHC2021
+
+executable day9
+    import:           warnings
+    main-is:          Day9.hs
+    build-depends:    base ^>=4.20.2,
+                      containers >= 0.6.7
+    hs-source-dirs:   app
+    default-language: GHC2021
diff --git a/app/Main.hs b/app/Main.hs
deleted file mode 100644
index 65ae4a0..0000000
--- a/app/Main.hs
+++ /dev/null
@@ -1,4 +0,0 @@
-module Main where
-
-main :: IO ()
-main = putStrLn "Hello, Haskell!"
diff --git a/hie.yaml b/hie.yaml
new file mode 100644
index 0000000..b334116
--- /dev/null
+++ b/hie.yaml
@@ -0,0 +1,20 @@
+cradle:
+  stack:
+    - path: "./app/Day1.hs"
+      component: "aoc25:exe:day1"
+    - path: "./app/Day2.hs"
+      component: "aoc25:exe:day2"
+    - path: "./app/Day3.hs"
+      component: "aoc25:exe:day3"
+    - path: "./app/Day4.hs"
+      component: "aoc25:exe:day4"
+    - path: "./app/Day5.hs"
+      component: "aoc25:exe:day5"
+    - path: "./app/Day6.hs"
+      component: "aoc25:exe:day6"
+    - path: "./app/Day7.hs"
+      component: "aoc25:exe:day7"
+    - path: "./app/Day8.hs"
+      component: "aoc25:exe:day8"
+    - path: "./app/Day9.hs"
+      component: "aoc25:exe:day9"