diff --git a/NEWS b/NEWS
index 2f363784..173b0d06 100755
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,7 @@
+v1.5.11
+======
+o Update tool versions in conda environments
+
 v1.5.10
 ======
 o Update R to v4.4.1
diff --git a/Snakefile b/Snakefile
index 4a6ebaab..211d23ab 100755
--- a/Snakefile
+++ b/Snakefile
@@ -441,11 +441,17 @@ rule starSE:
 	conda:
 		"envs/environment.yaml"
 	shell:
-		"echo 'STAR version:\n' > {log}; STAR --version >> {log}; "
-		"STAR --genomeDir {params.STARindex} --readFilesIn {input.fastq} "
-		"--runThreadN {threads} --outFileNamePrefix {params.STARdir}/{wildcards.sample}/{wildcards.sample}_ "
-		"--outSAMtype BAM SortedByCoordinate --readFilesCommand gunzip -c "
-		"{params.starextraparams}"
+	    """
+		echo 'STAR version:\n' > {log}; 
+		STAR --version >> {log}; 
+		STAR --genomeDir {params.STARindex} \
+		     --readFilesIn {input.fastq} \
+		     --runThreadN {threads} \
+		     --outFileNamePrefix {params.STARdir}/{wildcards.sample}/{wildcards.sample}_ \
+		     --outSAMtype BAM SortedByCoordinate \
+		     --readFilesCommand "gunzip -c" \
+		     {params.starextraparams}
+		"""
 
 rule starPE:
 	input:
@@ -467,11 +473,17 @@ rule starPE:
 	conda:
 		"envs/environment.yaml"
 	shell:
-		"echo 'STAR version:\n' > {log}; STAR --version >> {log}; "
-		"STAR --genomeDir {params.STARindex} --readFilesIn {input.fastq1} {input.fastq2} "
-		"--runThreadN {threads} --outFileNamePrefix {params.STARdir}/{wildcards.sample}/{wildcards.sample}_ "
-		"--outSAMtype BAM SortedByCoordinate --readFilesCommand gunzip -c "
-		"{params.starextraparams}"
+	    """
+		echo 'STAR version:\n' > {log}; 
+		STAR --version >> {log}; 
+		STAR --genomeDir {params.STARindex} \
+		     --readFilesIn {input.fastq1} {input.fastq2} \
+		     --runThreadN {threads} \
+		     --outFileNamePrefix {params.STARdir}/{wildcards.sample}/{wildcards.sample}_ \
+		     --outSAMtype BAM SortedByCoordinate \
+		     --readFilesCommand "gunzip -c" \
+		     {params.starextraparams}
+		"""
 
 ## Index bam files
 rule bamindex:
diff --git a/envs/environment.yaml b/envs/environment.yaml
index 98b5f4d0..c11a3a23 100755
--- a/envs/environment.yaml
+++ b/envs/environment.yaml
@@ -2,14 +2,15 @@ channels:
 - bioconda
 - conda-forge
 dependencies:
-- samtools=1.11
-- salmon=1.4.0
-- star=2.7.7a
-- fastqc=0.11.9
-- multiqc=1.9
-- trim-galore=0.6.6
-- cutadapt=3.2
-- bedtools=2.30.0
-- ucsc-bedgraphtobigwig=377
-- pandoc=2.11
-- tbb=2020.2
+- samtools=1.22
+- salmon=1.10.3
+- star=2.7.10b
+- fastqc=0.12.1
+- multiqc=1.35
+- trim-galore=0.6.11
+- cutadapt=5.2
+- bedtools=2.31.1
+- ucsc-bedgraphtobigwig=482
+- pandoc=3.10
+- tbb=2023.0.0
+- gzip=1.14
diff --git a/envs/environment_R.yaml b/envs/environment_R.yaml
index 8dec62d7..9c5ca54c 100755
--- a/envs/environment_R.yaml
+++ b/envs/environment_R.yaml
@@ -1,11 +1,17 @@
 channels:
+- bioconda
 - conda-forge
 dependencies:
-- r-base=4.4.1
+- r-base=4.5.3
 - pandoc=3.4
-- r-curl=5.2.1
-- r-rsqlite=2.3.7
-- r-xml2=1.3.6
-- r-httpuv=1.6.15
-- r-mass=7.3_60.0.1
-- r-matrix=1.6_5
+- r-curl=7.1.0
+- r-rsqlite=3.53.1
+- r-xml2=1.5.2
+- r-xml=3.99_0.22
+- r-rcurl=1.98_1.19
+- r-httpuv=1.6.17
+- r-mass=7.3_65
+- r-matrix=1.7_5
+- zlib=1.3.2
+- bioconductor-rhtslib=3.6.0
+- bioconductor-rsamtools=2.26.0
diff --git a/version b/version
index 1615c9f5..f81fd1d8 100755
--- a/version
+++ b/version
@@ -1 +1 @@
-1.5.10 (2024-09-21)
+1.5.11 (2026-06-13)