diff --git a/src/dwarfs/compression/lz4.cpp b/src/dwarfs/compression/lz4.cpp
index ffbc5df9..123ddc49 100644
--- a/src/dwarfs/compression/lz4.cpp
+++ b/src/dwarfs/compression/lz4.cpp
@@ -22,6 +22,10 @@
 #include <lz4.h>
 #include <lz4hc.h>
 
+#include <fmt/format.h>
+
+#include <folly/Conv.h>
+
 #include <dwarfs/block_compressor.h>
 #include <dwarfs/error.h>
 #include <dwarfs/fstypes.h>
diff --git a/src/dwarfs/compression/lzma.cpp b/src/dwarfs/compression/lzma.cpp
index 0f999dc4..e878638f 100644
--- a/src/dwarfs/compression/lzma.cpp
+++ b/src/dwarfs/compression/lzma.cpp
@@ -19,8 +19,12 @@
  * along with dwarfs.  If not, see <https://www.gnu.org/licenses/>.
  */
 
+#include <cassert>
+
 #include <lzma.h>
 
+#include <fmt/format.h>
+
 #include <dwarfs/block_compressor.h>
 #include <dwarfs/error.h>
 #include <dwarfs/fstypes.h>
diff --git a/src/dwarfs/compression/null.cpp b/src/dwarfs/compression/null.cpp
index f20d87d3..35a24723 100644
--- a/src/dwarfs/compression/null.cpp
+++ b/src/dwarfs/compression/null.cpp
@@ -19,6 +19,10 @@
  * along with dwarfs.  If not, see <https://www.gnu.org/licenses/>.
  */
 
+#include <cassert>
+
+#include <fmt/format.h>
+
 #include <dwarfs/block_compressor.h>
 #include <dwarfs/error.h>
 #include <dwarfs/fstypes.h>