diff --git a/dune-project b/dune-project
index 5559fd9..5ba7cb6 100644
--- a/dune-project
+++ b/dune-project
@@ -27,7 +27,7 @@
  (depends
   (ocsipersist (= :version))
   (lwt (>= 4.2.0))
-  lwt_log
+  logs
   dbm))
 
 (package
@@ -54,7 +54,7 @@
   (ocaml (>= 4.08))
   (ocsipersist (= :version))
   (lwt (>= 4.2.0))
-  lwt_log
+  logs
   pgocaml))
 
 (package
@@ -72,7 +72,7 @@
  (description "This library provides a SQLite backend for the unified key/value storage frontend as defined in the ocsipersist package.")
  (depends
   (lwt (>= 4.2.0))
-  lwt_log
+  logs
   ocsipersist
   sqlite3))
 
diff --git a/ocsipersist-dbm.opam b/ocsipersist-dbm.opam
index 4830e34..a322fc9 100644
--- a/ocsipersist-dbm.opam
+++ b/ocsipersist-dbm.opam
@@ -12,7 +12,7 @@ depends: [
   "dune" {>= "2.8"}
   "ocsipersist" {= version}
   "lwt" {>= "4.2.0"}
-  "lwt_log"
+  "logs"
   "dbm"
   "odoc" {with-doc}
 ]
diff --git a/ocsipersist-pgsql.opam b/ocsipersist-pgsql.opam
index b5131d6..046d620 100644
--- a/ocsipersist-pgsql.opam
+++ b/ocsipersist-pgsql.opam
@@ -13,7 +13,7 @@ depends: [
   "ocaml" {>= "4.08"}
   "ocsipersist" {= version}
   "lwt" {>= "4.2.0"}
-  "lwt_log"
+  "logs"
   "pgocaml"
   "odoc" {with-doc}
 ]
diff --git a/ocsipersist-sqlite.opam b/ocsipersist-sqlite.opam
index 6beaceb..3fad525 100644
--- a/ocsipersist-sqlite.opam
+++ b/ocsipersist-sqlite.opam
@@ -11,7 +11,7 @@ bug-reports: "https://github.com/ocsigen/ocsipersist/issues"
 depends: [
   "dune" {>= "2.8"}
   "lwt" {>= "4.2.0"}
-  "lwt_log"
+  "logs"
   "ocsipersist"
   "sqlite3"
   "odoc" {with-doc}
diff --git a/src/dbm/dune b/src/dbm/dune
index 4129756..e1b0e6a 100644
--- a/src/dbm/dune
+++ b/src/dbm/dune
@@ -18,7 +18,7 @@
   ocsipersist_settings)
  (libraries
   dbm
-  lwt_log
+  logs
   ocsipersist_dbmtypes
   ocsipersist_lib
   ocsipersist_dbm_settings))
diff --git a/src/dbm/ocsipersist.ml b/src/dbm/ocsipersist.ml
index c03ecb7..2f00aef 100644
--- a/src/dbm/ocsipersist.ml
+++ b/src/dbm/ocsipersist.ml
@@ -5,7 +5,7 @@ open Lwt.Infix
 
 module type TABLE = Ocsipersist_lib.Sigs.TABLE
 
-let section = Lwt_log.Section.make "ocsigen:ocsipersist:dbm"
+let section = Logs.Src.create "ocsigen:ocsipersist:dbm"
 
 exception Ocsipersist_error
 
@@ -25,9 +25,9 @@ module Db = struct
          Lwt_unix.connect socket (Unix.ADDR_UNIX sname) >>= fun () ->
          Lwt.return socket)
       (fun _ ->
-         Lwt_log.ign_warning_f ~section
-           "Launching a new Ocsidbm process: %s on directory %s."
-           !Config.ocsidbm !Config.directory;
+         Logs.warn ~src:section (fun fmt ->
+           fmt "Launching a new Ocsidbm process: %s on directory %s."
+             !Config.ocsidbm !Config.directory);
          let param = [|!Config.ocsidbm; !Config.directory|] in
          let child () =
            let log =
@@ -63,14 +63,15 @@ module Db = struct
       (fun e ->
          if i = 0
          then (
-           Lwt_log.ign_error_f ~section
-             "Cannot connect to Ocsidbm. Will continue without persistent session support. Error message is: %s .Have a look at the logs to see if there is an error message from the Ocsidbm process."
-             (match e with
-             | Unix.Unix_error (a, b, c) ->
-                 Printf.sprintf "%a in %s(%s)"
-                   (fun () -> Unix.error_message)
-                   a b c
-             | _ -> Printexc.to_string e);
+           Logs.err ~src:section (fun fmt ->
+             fmt
+               "Cannot connect to Ocsidbm. Will continue without persistent session support. Error message is: %s .Have a look at the logs to see if there is an error message from the Ocsidbm process."
+               (match e with
+               | Unix.Unix_error (a, b, c) ->
+                   Printf.sprintf "%a in %s(%s)"
+                     (fun () -> Unix.error_message)
+                     a b c
+               | _ -> Printexc.to_string e));
            Lwt.fail e)
          else Lwt_unix.sleep 2.1 >>= fun () -> get_indescr (i - 1))
 
@@ -327,8 +328,9 @@ type 'value table = 'value Polymorphic.table
 let init () =
   if !Ocsipersist_settings.delay_loading
   then
-    Lwt_log.ign_warning ~section "Asynchronuous initialization (may fail later)"
-  else Lwt_log.ign_warning ~section "Initializing ...";
+    Logs.warn ~src:section (fun fmt ->
+      fmt "Asynchronuous initialization (may fail later)")
+  else Logs.warn ~src:section (fun fmt -> fmt "Initializing ...");
   let indescr = Db.get_indescr 2 in
   if !Ocsipersist_settings.delay_loading
   then (
@@ -341,4 +343,4 @@ let init () =
     Ocsipersist_settings.inch := Lwt.return (Lwt_io.of_fd ~mode:Lwt_io.input r);
     Ocsipersist_settings.outch :=
       Lwt.return (Lwt_io.of_fd ~mode:Lwt_io.output r);
-    Lwt_log.ign_warning ~section "...Initialization complete"
+    Logs.warn ~src:section (fun fmt -> fmt "...Initialization complete")
diff --git a/src/pgsql/dune b/src/pgsql/dune
index a795067..85eebec 100644
--- a/src/pgsql/dune
+++ b/src/pgsql/dune
@@ -3,7 +3,7 @@
  (public_name ocsipersist-pgsql)
  (implements ocsipersist)
  (modules :standard \ ocsipersist_config ocsipersist_settings)
- (libraries pgocaml lwt_log ocsipersist_lib ocsipersist_pgsql_settings))
+ (libraries pgocaml lwt.unix logs ocsipersist_lib ocsipersist_pgsql_settings))
 
 ; Configuration functions (part of ocsipersist-pgsql package):
 
diff --git a/src/pgsql/ocsipersist.ml b/src/pgsql/ocsipersist.ml
index cc4f178..927a63e 100644
--- a/src/pgsql/ocsipersist.ml
+++ b/src/pgsql/ocsipersist.ml
@@ -2,7 +2,7 @@
 
 module type TABLE = Ocsipersist_lib.Sigs.TABLE
 
-let section = Lwt_log.Section.make "ocsigen:ocsipersist:pgsql"
+let section = Logs.Src.create "ocsigen:ocsipersist:pgsql"
 
 module Lwt_thread = struct
   include Lwt
@@ -55,10 +55,11 @@ let use_pool f =
     (fun () -> f db)
     (function
        | PGOCaml.Error msg as e ->
-           Lwt_log.ign_error_f ~section "postgresql protocol error: %s" msg;
+           Logs.err ~src:section (fun fmt ->
+             fmt "postgresql protocol error: %s" msg);
            PGOCaml.close db >>= fun () -> Lwt.fail e
        | Lwt.Canceled as e ->
-           Lwt_log.ign_error ~section "thread canceled";
+           Logs.err ~src:section (fun fmt -> fmt "thread canceled");
            PGOCaml.close db >>= fun () -> Lwt.fail e
        | e -> Lwt.fail e)
 
diff --git a/src/pgsql/ocsipersist_config.ml b/src/pgsql/ocsipersist_config.ml
index 7563e6a..034dc2a 100644
--- a/src/pgsql/ocsipersist_config.ml
+++ b/src/pgsql/ocsipersist_config.ml
@@ -1,5 +1,7 @@
-let section = Lwt_log.Section.make "ocsigen:ocsipersist:pgsql:config"
-let _ = Lwt_log.ign_info ~section "Init for Ocsigen Server config file"
+let section = Logs.Src.create "ocsigen:ocsipersist:pgsql:config"
+
+let _ =
+  Logs.info ~src:section (fun fmt -> fmt "Init for Ocsigen Server config file")
 
 let parse_global_config = function
   | [] -> ()
diff --git a/src/sqlite/dune b/src/sqlite/dune
index 4ef220a..b24805d 100644
--- a/src/sqlite/dune
+++ b/src/sqlite/dune
@@ -3,7 +3,12 @@
  (public_name ocsipersist-sqlite)
  (implements ocsipersist)
  (modules ocsipersist)
- (libraries sqlite3 lwt_log ocsipersist_lib ocsipersist_sqlite_settings))
+ (libraries
+  sqlite3
+  lwt.unix
+  logs
+  ocsipersist_lib
+  ocsipersist_sqlite_settings))
 
 ; Configuration functions (part of ocsipersist-sqlite package):
 
diff --git a/src/sqlite/ocsipersist.ml b/src/sqlite/ocsipersist.ml
index 5d1040a..bfedb1b 100644
--- a/src/sqlite/ocsipersist.ml
+++ b/src/sqlite/ocsipersist.ml
@@ -1,6 +1,6 @@
 module type TABLE = Ocsipersist_lib.Sigs.TABLE
 
-let section = Lwt_log.Section.make "ocsigen:ocsipersist:sqlite"
+let section = Logs.Src.create "ocsigen:ocsipersist:sqlite"
 
 open Lwt.Infix
 open Sqlite3
@@ -24,7 +24,7 @@ module Aux = struct
 
   let close_safely db =
     if not (db_close db)
-    then Lwt_log.ign_error ~section "Couldn't close database"
+    then Logs.err ~src:section (fun fmt -> fmt "Couldn't close database")
 
   let m = Mutex.create ()