diff --git a/Makefile b/Makefile
index 205505d..53b0c0c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 PG_CFLAGS = -Werror -Wno-declaration-after-statement
 EXTENSION = pg_net
-EXTVERSION = 0.7.3
+EXTVERSION = 0.8.0
 
 DATA = $(wildcard sql/*--*.sql)
 
diff --git a/sql/pg_net--0.7.3--0.8.0.sql b/sql/pg_net--0.7.3--0.8.0.sql
new file mode 100644
index 0000000..cc23dc2
--- /dev/null
+++ b/sql/pg_net--0.7.3--0.8.0.sql
@@ -0,0 +1,142 @@
+create or replace function net.worker_restart() returns bool as $$
+  select pg_reload_conf();
+  select pg_terminate_backend(pid)
+  from pg_stat_activity
+  where backend_type ilike '%pg_net%';
+$$
+security definer -- needs SDF because of pg_terminate_backend
+language sql;
+
+grant usage on schema net to PUBLIC;
+grant all on all tables in schema net to PUBLIC;
+
+alter function net.http_get ( text, jsonb, jsonb, integer) security invoker;
+alter function net.http_post (text, jsonb, jsonb, jsonb, integer) security invoker;
+alter function net.http_delete (text, jsonb, jsonb, integer) security invoker;
+alter function net._http_collect_response ( bigint, boolean) security invoker;
+alter function net.http_collect_response ( bigint, boolean) security invoker;
+
+create or replace function net.http_get(
+    url text,
+    params jsonb default '{}'::jsonb,
+    headers jsonb default '{}'::jsonb,
+    timeout_milliseconds int default 5000
+)
+    returns bigint
+    strict
+    volatile
+    parallel safe
+    language plpgsql
+as $$
+declare
+    request_id bigint;
+    params_array text[];
+begin
+    select coalesce(array_agg(net._urlencode_string(key) || '=' || net._urlencode_string(value)), '{}')
+    into params_array
+    from jsonb_each_text(params);
+
+    insert into net.http_request_queue(method, url, headers, timeout_milliseconds)
+    values (
+        'GET',
+        net._encode_url_with_params_array(url, params_array),
+        headers,
+        timeout_milliseconds
+    )
+    returning id
+    into request_id;
+
+    return request_id;
+end
+$$;
+
+create or replace function net.http_post(
+    url text,
+    body jsonb default '{}'::jsonb,
+    params jsonb default '{}'::jsonb,
+    headers jsonb default '{"Content-Type": "application/json"}'::jsonb,
+    timeout_milliseconds int DEFAULT 5000
+)
+    returns bigint
+    volatile
+    parallel safe
+    language plpgsql
+as $$
+declare
+    request_id bigint;
+    params_array text[];
+    content_type text;
+begin
+
+    select
+        header_value into content_type
+    from
+        jsonb_each_text(coalesce(headers, '{}'::jsonb)) r(header_name, header_value)
+    where
+        lower(header_name) = 'content-type'
+    limit
+        1;
+
+    if content_type is null then
+        select headers || '{"Content-Type": "application/json"}'::jsonb into headers;
+    end if;
+
+    if content_type <> 'application/json' then
+        raise exception 'Content-Type header must be "application/json"';
+    end if;
+
+    select
+        coalesce(array_agg(net._urlencode_string(key) || '=' || net._urlencode_string(value)), '{}')
+    into
+        params_array
+    from
+        jsonb_each_text(params);
+
+    insert into net.http_request_queue(method, url, headers, body, timeout_milliseconds)
+    values (
+        'POST',
+        net._encode_url_with_params_array(url, params_array),
+        headers,
+        convert_to(body::text, 'UTF8'),
+        timeout_milliseconds
+    )
+    returning id
+    into request_id;
+
+    return request_id;
+end
+$$;
+
+create or replace function net.http_delete(
+    url text,
+    params jsonb default '{}'::jsonb,
+    headers jsonb default '{}'::jsonb,
+    timeout_milliseconds int default 5000
+)
+    returns bigint
+    strict
+    volatile
+    parallel safe
+    language plpgsql
+as $$
+declare
+    request_id bigint;
+    params_array text[];
+begin
+    select coalesce(array_agg(net._urlencode_string(key) || '=' || net._urlencode_string(value)), '{}')
+    into params_array
+    from jsonb_each_text(params);
+
+    insert into net.http_request_queue(method, url, headers, timeout_milliseconds)
+    values (
+        'DELETE',
+        net._encode_url_with_params_array(url, params_array),
+        headers,
+        timeout_milliseconds
+    )
+    returning id
+    into request_id;
+
+    return request_id;
+end
+$$;
diff --git a/sql/pg_net.sql b/sql/pg_net.sql
index a32f287..208bbd4 100644
--- a/sql/pg_net.sql
+++ b/sql/pg_net.sql
@@ -115,7 +115,6 @@ create or replace function net.http_get(
     volatile
     parallel safe
     language plpgsql
-    security definer
 as $$
 declare
     request_id bigint;
@@ -159,7 +158,6 @@ create or replace function net.http_post(
     volatile
     parallel safe
     language plpgsql
-    security definer
 as $$
 declare
     request_id bigint;
@@ -229,7 +227,6 @@ create or replace function net.http_delete(
     volatile
     parallel safe
     language plpgsql
-    security definer
 as $$
 declare
     request_id bigint;
@@ -290,7 +287,6 @@ create or replace function net._http_collect_response(
     volatile
     parallel safe
     language plpgsql
-    security definer
 as $$
 declare
     rec net._http_response;
@@ -345,7 +341,6 @@ create or replace function net.http_collect_response(
     volatile
     parallel safe
     language plpgsql
-    security definer
 as $$
 begin
   raise notice 'The net.http_collect_response function is deprecated.';
@@ -359,8 +354,8 @@ create or replace function net.worker_restart() returns bool as $$
   from pg_stat_activity
   where backend_type ilike '%pg_net%';
 $$
-security definer
+security definer -- needs SDF because of pg_terminate_backend
 language sql;
 
-grant all on schema net to postgres;
-grant all on all tables in schema net to postgres;
+grant usage on schema net to PUBLIC;
+grant all on all tables in schema net to PUBLIC;