diff --git a/day1/solutions/CMakeLists.txt b/chapter_01/solutions/CMakeLists.txt
similarity index 100%
rename from day1/solutions/CMakeLists.txt
rename to chapter_01/solutions/CMakeLists.txt
diff --git a/day1/solutions/check_prime.cc b/chapter_01/solutions/check_prime.cc
similarity index 100%
rename from day1/solutions/check_prime.cc
rename to chapter_01/solutions/check_prime.cc
diff --git a/day1/solutions/fibonacci.cc b/chapter_01/solutions/fibonacci.cc
similarity index 100%
rename from day1/solutions/fibonacci.cc
rename to chapter_01/solutions/fibonacci.cc
diff --git a/day1/solutions/gcd.cc b/chapter_01/solutions/gcd.cc
similarity index 100%
rename from day1/solutions/gcd.cc
rename to chapter_01/solutions/gcd.cc
diff --git a/day1/solutions/midpt.cc b/chapter_01/solutions/midpt.cc
similarity index 100%
rename from day1/solutions/midpt.cc
rename to chapter_01/solutions/midpt.cc
diff --git a/day1/solutions/min_of_three.cc b/chapter_01/solutions/min_of_three.cc
similarity index 100%
rename from day1/solutions/min_of_three.cc
rename to chapter_01/solutions/min_of_three.cc
diff --git a/day1/solutions/mysqrt.cc b/chapter_01/solutions/mysqrt.cc
similarity index 100%
rename from day1/solutions/mysqrt.cc
rename to chapter_01/solutions/mysqrt.cc
diff --git a/day1/solutions/raw1.cc b/chapter_01/solutions/raw1.cc
similarity index 100%
rename from day1/solutions/raw1.cc
rename to chapter_01/solutions/raw1.cc