diff --git a/proxmox-time/Cargo.toml b/proxmox-time/Cargo.toml
index 535f78cf..04b916c6 100644
--- a/proxmox-time/Cargo.toml
+++ b/proxmox-time/Cargo.toml
@@ -12,7 +12,7 @@ exclude = [ "debian" ]
 anyhow = "1.0"
 bitflags = "1.2.1"
 lazy_static = "1.4"
-nom = "5.1"
+nom = "7"
 
 [target.'cfg(not(target_arch="wasm32"))'.dependencies]
 libc = { version = "0.2", features = [ "extra_traits" ] }
diff --git a/proxmox-time/debian/control b/proxmox-time/debian/control
index d136ce78..7d3426cb 100644
--- a/proxmox-time/debian/control
+++ b/proxmox-time/debian/control
@@ -12,7 +12,7 @@ Build-Depends: debhelper (>= 12),
  librust-lazy-static-1+default-dev (>= 1.4-~~) <!nocheck>,
  librust-libc-0.2+default-dev <!nocheck>,
  librust-libc-0.2+extra-traits-dev <!nocheck>,
- librust-nom-5+default-dev (>= 5.1-~~) <!nocheck>
+ librust-nom-7+default-dev <!nocheck>
 Maintainer: Proxmox Support Team <support@proxmox.com>
 Standards-Version: 4.5.1
 Vcs-Git: git://git.proxmox.com/git/proxmox.git
@@ -30,15 +30,15 @@ Depends:
  librust-lazy-static-1+default-dev (>= 1.4-~~),
  librust-libc-0.2+default-dev,
  librust-libc-0.2+extra-traits-dev,
- librust-nom-5+default-dev (>= 5.1-~~)
+ librust-nom-7+default-dev
 Provides:
  librust-proxmox-time+default-dev (= ${binary:Version}),
  librust-proxmox-time-1-dev (= ${binary:Version}),
  librust-proxmox-time-1+default-dev (= ${binary:Version}),
  librust-proxmox-time-1.1-dev (= ${binary:Version}),
  librust-proxmox-time-1.1+default-dev (= ${binary:Version}),
- librust-proxmox-time-1.1.2-dev (= ${binary:Version}),
- librust-proxmox-time-1.1.2+default-dev (= ${binary:Version})
+ librust-proxmox-time-1.1.3-dev (= ${binary:Version}),
+ librust-proxmox-time-1.1.3+default-dev (= ${binary:Version})
 Description: Time utilities and TmEditor - Rust source code
  This package contains the source for the Rust proxmox-time crate, packaged by
  debcargo for use with cargo and dh-cargo.
diff --git a/proxmox-time/src/calendar_event.rs b/proxmox-time/src/calendar_event.rs
index 59f61a7f..76883137 100644
--- a/proxmox-time/src/calendar_event.rs
+++ b/proxmox-time/src/calendar_event.rs
@@ -6,7 +6,7 @@ use nom::{
     character::complete::space0,
     combinator::opt,
     error::context,
-    multi::separated_nonempty_list,
+    multi::separated_list1,
     sequence::{preceded, terminated, tuple},
 };
 
@@ -326,7 +326,7 @@ fn parse_calendar_event_incomplete(mut i: &str) -> IResult<&str, CalendarEvent>
 
         let (n, range_list) = context(
             "weekday range list",
-            separated_nonempty_list(tag(","), parse_weekdays_range),
+            separated_list1(tag(","), parse_weekdays_range),
         )(i)?;
 
         has_dayspec = true;
@@ -416,7 +416,7 @@ fn parse_date_time_comp_list(
             return Ok((rest, Vec::new()));
         }
 
-        separated_nonempty_list(tag(","), parse_date_time_comp(max))(i)
+        separated_list1(tag(","), parse_date_time_comp(max))(i)
     }
 }
 
diff --git a/proxmox-time/src/daily_duration.rs b/proxmox-time/src/daily_duration.rs
index 078cf79c..92e64fe2 100644
--- a/proxmox-time/src/daily_duration.rs
+++ b/proxmox-time/src/daily_duration.rs
@@ -3,8 +3,7 @@ use std::convert::{TryFrom, TryInto};
 
 use anyhow::Error;
 use nom::{
-    bytes::complete::tag, character::complete::space0, error::context,
-    multi::separated_nonempty_list,
+    bytes::complete::tag, character::complete::space0, error::context, multi::separated_list1,
 };
 
 use crate::parse_helpers::{parse_complete_line, parse_error, parse_hm_time, IResult};
@@ -94,7 +93,7 @@ fn parse_daily_duration_incomplete(mut i: &str) -> IResult<&str, DailyDuration>
     if i.starts_with(|c: char| char::is_ascii_alphabetic(&c)) {
         let (n, range_list) = context(
             "weekday range list",
-            separated_nonempty_list(tag(","), parse_weekdays_range),
+            separated_list1(tag(","), parse_weekdays_range),
         )(i)?;
 
         i = space0(n)?.0;
diff --git a/proxmox-time/src/parse_helpers.rs b/proxmox-time/src/parse_helpers.rs
index 4890b2f2..94d077f9 100644
--- a/proxmox-time/src/parse_helpers.rs
+++ b/proxmox-time/src/parse_helpers.rs
@@ -6,7 +6,7 @@ use nom::{
     bytes::complete::tag,
     character::complete::digit1,
     combinator::{all_consuming, map_res, opt, recognize},
-    error::{ParseError, VerboseError},
+    error::{ContextError, VerboseError},
     sequence::{preceded, tuple},
 };