diff --git a/.circleci/config.yml b/.circleci/config.yml
index 0e29a6afdc..8cf200b826 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -49,6 +49,16 @@ jobs:
       - run: docker run --privileged linuxkit/binfmt:af88a591f9cc896a52ce596b9cf7ca26a061ef97
       - run: promu crossbuild -v --parallelism $CIRCLE_NODE_TOTAL --parallelism-thread $CIRCLE_NODE_INDEX
       - run: promu --config .promu-cgo.yml crossbuild -v --parallelism $CIRCLE_NODE_TOTAL --parallelism-thread $CIRCLE_NODE_INDEX
+      # sign the darwin build so it doesn't get SIGKILLed on start, see: https://github.com/prometheus/node_exporter/issues/2539
+      - run:
+          command: |
+            if [[ -f "$(pwd)/.build/darwin-arm64/node_exporter" ]]; then
+                promu codesign "$(pwd)/.build/darwin-arm64/node_exporter"
+            fi
+
+            if [[ -f "$(pwd)/.build/darwin-amd64/node_exporter" ]]; then
+                promu codesign "$(pwd)/.build/darwin-amd64/node_exporter"                
+            fi
       - persist_to_workspace:
           root: .
           paths:
diff --git a/.github/workflows/container_description.yml b/.github/workflows/container_description.yml
index d0368eaa1c..a7d7e150c0 100644
--- a/.github/workflows/container_description.yml
+++ b/.github/workflows/container_description.yml
@@ -17,7 +17,7 @@ jobs:
     if: github.repository_owner == 'prometheus' || github.repository_owner == 'prometheus-community' # Don't run this workflow on forks.
     steps:
       - name: git checkout
-        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
+        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
       - name: Set docker hub repo name
         run: echo "DOCKER_REPO_NAME=$(make docker-repo-name)" >> $GITHUB_ENV
       - name: Push README to Dockerhub
@@ -37,7 +37,7 @@ jobs:
     if: github.repository_owner == 'prometheus' || github.repository_owner == 'prometheus-community' # Don't run this workflow on forks.
     steps:
       - name: git checkout
-        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
+        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
       - name: Set quay.io org name
         run: echo "DOCKER_REPO=$(echo quay.io/${GITHUB_REPOSITORY_OWNER} | tr -d '-')" >> $GITHUB_ENV
       - name: Set quay.io repo name
diff --git a/.github/workflows/golangci-lint.yml b/.github/workflows/golangci-lint.yml
index a7a40c1be5..b36f71c3c1 100644
--- a/.github/workflows/golangci-lint.yml
+++ b/.github/workflows/golangci-lint.yml
@@ -33,6 +33,6 @@ jobs:
         run: sudo apt-get update && sudo apt-get -y install libsnmp-dev
         if: github.repository == 'prometheus/snmp_exporter'
       - name: Lint
-        uses: golangci/golangci-lint-action@3cfe3a4abbb849e10058ce4af15d205b6da42804 # v4.0.0
+        uses: golangci/golangci-lint-action@9d1e0624a798bb64f6c3cea93db47765312263dc # v5.1.0
         with:
           version: v1.56.2
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d2cb6c0951..79ad9270a4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@
 * [ENHANCEMENT]
 * [BUGFIX]
 
+## 1.8.1 / 2024-05-16
+
+* [BUGFIX] Fix CPU seconds on Solaris #2963
+* [BUGFIX] Sign Darwin/MacOS binaries #3008
+* [BUGFIX] Fix pressure collector nil reference #3016
+
 ## 1.8.0 / 2024-04-24
 
 * [CHANGE] exec_bsd: Fix labels for `vm.stats.sys.v_syscall` sysctl #2895
diff --git a/Makefile.common b/Makefile.common
index 8bea2f6f4a..47acafa9db 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -55,7 +55,7 @@ ifneq ($(shell command -v gotestsum 2> /dev/null),)
 endif
 endif
 
-PROMU_VERSION ?= 0.15.0
+PROMU_VERSION ?= 0.17.0
 PROMU_URL     := https://github.com/prometheus/promu/releases/download/v$(PROMU_VERSION)/promu-$(PROMU_VERSION).$(GO_BUILD_PLATFORM).tar.gz
 
 SKIP_GOLANGCI_LINT :=
diff --git a/VERSION b/VERSION
index 27f9cd322b..a8fdfda1c7 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.8.0
+1.8.1
diff --git a/collector/cpu_solaris.go b/collector/cpu_solaris.go
index 32466a1e64..c78845423f 100644
--- a/collector/cpu_solaris.go
+++ b/collector/cpu_solaris.go
@@ -60,17 +60,17 @@ func (c *cpuCollector) Update(ch chan<- prometheus.Metric) error {
 		}
 
 		for k, v := range map[string]string{
-			"idle":   "cpu_ticks_idle",
-			"kernel": "cpu_ticks_kernel",
-			"user":   "cpu_ticks_user",
-			"wait":   "cpu_ticks_wait",
+			"idle":   "cpu_nsec_idle",
+			"kernel": "cpu_nsec_kernel",
+			"user":   "cpu_nsec_user",
+			"wait":   "cpu_nsec_wait",
 		} {
 			kstatValue, err := ksCPU.GetNamed(v)
 			if err != nil {
 				return err
 			}
 
-			ch <- c.cpu.mustNewConstMetric(float64(kstatValue.UintVal), strconv.Itoa(cpu), k)
+			ch <- c.cpu.mustNewConstMetric(float64(kstatValue.UintVal)/1e9, strconv.Itoa(cpu), k)
 		}
 	}
 	return nil
diff --git a/collector/fixtures/proc/pressure/cpu b/collector/fixtures/proc/pressure/cpu
index 14acc3a325..0aaced93da 100644
--- a/collector/fixtures/proc/pressure/cpu
+++ b/collector/fixtures/proc/pressure/cpu
@@ -1 +1,2 @@
 some avg10=0.00 avg60=0.00 avg300=0.00 total=14036781
+full avg10=0.00 avg60=0.00 avg300=0.00 total=0
diff --git a/collector/pressure_linux.go b/collector/pressure_linux.go
index ceaced7eef..4dbdc5393d 100644
--- a/collector/pressure_linux.go
+++ b/collector/pressure_linux.go
@@ -102,6 +102,14 @@ func (c *pressureStatsCollector) Update(ch chan<- prometheus.Metric) error {
 			}
 			return fmt.Errorf("failed to retrieve pressure stats: %w", err)
 		}
+		if vals.Some == nil {
+			level.Debug(c.logger).Log("msg", "pressure information returned no 'some' data")
+			return ErrNoData
+		}
+		if vals.Full == nil {
+			level.Debug(c.logger).Log("msg", "pressure information returned no 'full' data")
+			return ErrNoData
+		}
 		switch res {
 		case "cpu":
 			ch <- prometheus.MustNewConstMetric(c.cpu, prometheus.CounterValue, float64(vals.Some.Total)/1000.0/1000.0)